Approximately how many plant made pharmaceuticals are currently under different stages of discovery?
a.
100
b.
200
c.
300
d.
400

Answers

Answer 1
The answer would be B

Related Questions

Sewage that end up in waterway can increae algae growth becaue it
A. Kill plant
B. Provide nutrient
C. Ue oxygen
D. Attract bird

Answers

Sewage that ends up in waterway can increase algae growth because it B. Provides nutrients.

Algae growth in waterbodies is aided by the nutrients phosphorus and nitrogen, which are necessary for algae production.

Eutrophication is the process that leads to harmful algal blooms, dead zones, and fish kills. Eutrophication begins with an increase in the amount of nutrients that reach estuaries and coastal waters. An overabundance of algae and plants initiates a chain reaction in the ecosystem as a result of eutrophication. The excessive plant and algae matter eventually breaks down, releasing a lot of carbon dioxide.

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Explain why the sickle-cell gene does not benefit anyone in the United States, but it may be very advantageous to someone living in rural Zambia, Africa.

Answers

The sickle-cell gene does not benefit anyone in the United States, but it may be very advantageous to someone living in rural Zambia, Africa because Malaria is rare in the United States

Sickle cell disease: A group of disorders in which

red blood cells deform and collapse. In sickle cell disease, a group of inherited disorders, red blood cells twist and sickle. Cells die prematurely, lacking healthy red blood cells (sickle cell anemia) and can block blood flow and cause pain (sickle cell disease).

In parts of Africa where malaria is common, the sickle cell disease mutation confers a health benefit to carriers (protection from malaria). HbS carriers were naturally selected in these regions because their traits confer some resistance to malaria. Red blood cells with abnormal hemoglobin tend to sickle when infected with the malaria parasite.

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Why are snails mollusks and not insects?

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Snails belong to the phylum Mollusca and are not insects because their characteristics are similar to that of the Mollusca like present of calcareous shell on the outside and a soft body on the inside.

Snails are the organisms of the phylum Mollusca. They are small creatures recognized by the presence of a spirally coiled shell on the outside. They can be present on land as well as on the aquatic environment.

Mollusca is the second largest phylum of invertebrates in the Animal kingdom. The majority of its organisms are aquatic habitants. The presence of a calcareous shell is a key feature of the phylum. The example of some organisms is oysters, clams, etc.

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I need help answering 2-6!! Please !!! If someone can help me that would be great!

Answers

An enzyme that digests starch into little carbohydrate molecules is called amylase. Two places generate this enzyme. In the beginning, salivary glands in our mouth produce salivary amylase, which kickstarts digestion by dissolving starch and transforming it into maltose and smaller carbohydrates.

what is an enzyme?

Proteins called enzymes aid in accelerating our bodies' chemical reactions, or metabolism. Some compounds are created, while others are broken down. Enzymes are a part of all living things. Enzymes are created by our bodies spontaneously.

A component known as an enzyme serves as a catalyst in living things, controlling the rate at which chemical processes take place without undergoing any personal change.

Different Digestive Enzyme Types

Amylase.

Lactase.

Lipase.

Proteases.

Sucrase.

Enzymes are categorised by the sort of reaction they are employed to catalyse into six functional classes, according to the International Union of Biochemists (I U B). Hydrolases, oxidoreductases, lyases, transferases, ligases, and isomerases are the six different categories of enzymes.

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Quorum-sensing contributes to the ability of bacterial colonies to congregate into nearly solid masses which act as barriers to effective decontamination and sterilization called:

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Biofilms are formed when bacteria congregate into a nearly solid mass. This occurs when bacteria use quorum sensing to communicate with each other and create pathways for cells to attach to and form a matrix.

The matrix shields the cells from external forces and helps to protect the bacteria from antibiotics, desiccation, and extreme temperatures. Biofilms can form on just about any surface, including medical and surgical instruments, water pipes, and even on the surfaces of plants and animals.

The formation of biofilms makes it difficult to decontaminate and sterilize, since the bacteria are protected within the matrix and can withstand harsh chemicals and extreme temperatures. Biofilms are also highly resistant to antibiotics, making them difficult to eradicate.

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What is Stage 2 of the Calvin cycle?

Answers

Reduction is Stage 2 of the Calvin cycle.

The 3-PGA molecules are changed into molecules of the three-carbon sugar glyceraldehyde-3-phosphate in the second phase by the utilisation of ATP and NADPH (G3P). The name of the stage comes from the three-carbon intermediate that NADPH lowers or donates electrons to in order to generate G3P.

Carbon dioxide and hydrogen carrier molecules are converted into glucose through a sequence of chemical reactions known as the Calvin cycle. It is also known as the photosynthetic carbon reduction cycle, the dark processes, the light-independent reactions, and the biosynthetic phase. Reduction. It relates to Calvin's cycle's second stage. 3-PGA molecules are changed into glucose molecules, which are simple sugar molecules, by carbon fixation. ATP and NADPH produced during the photosynthetic processes that depend on light power this step.

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Which of the following is not used in vegetative propagation?

a. leaf
b. stem
c. seed
d. root

Answers

Answer: The correct answer is C, seed. Seeds are not used in vegetative propagation; instead, vegetative propagation involves taking parts of existing plants and using them to create new plants. This can include taking cuttings from stems, leaves, and roots.

The correct answer is c

Suzie has a bacterial infection that she caught after she had previously cut her hand. What category of infection is this

Answers

This category of infection is known as secondary infection, an infection that occurs during or after treatment for another infection.

A secondary infection is an infection that takes place for the duration of or after remedy for any other infection. It can be because of the primary remedy or through adjustments withinside the immune system. Two examples of a secondary infection are: Getting a vaginal yeast contamination after taking antibiotics to deal with an contamination because of bacteria. Secondary infection takes place for the duration of or after remedy of a number one infection due to the fact the regular bacterial vegetation is destroyed, permitting yeast to flourish. The immune device protects the frame from doubtlessly dangerous substances.

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What is the passing of genes from parents to children called?

Answers

The passing of genes from parents to children is called heredity.

Inheritance, also called heredity or biological inheritance, is the passing of traits from parents to offspring. Through either asexual or sexual reproduction, progeny cells or organisms acquire the parent's genetic information. Heredity refers to the genetic heritage inherited from our biological parents. More precisely, it is the transference of traits from one generation to the consequent. These traits can be physical, such as eye color, blood type, disease, or behavioral.

In humans, eye color is an example of a genetic trait or Heredity.

A person can inherit the "brown-eyed feature" from either parent. Inherited traits are controlled by genes, and the complete set of genes in an organism's genome is called its genotype.

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A student constructs a Venn diagram to compare the organelles in plant and animal cells. One circle is labeled animal only, the other circle is labeled plant only, and the overlapping section is labeled both. Which organelle should be listed under “both” in the diagram

Answers

The organelle that will be listed in both is nucleus. The correct option is A.

What is a cell?

The smallest unit that can exist on its own and makes up all living things as well as the body's tissues is the cell in biology.

The cell membrane, the nucleus, and the cytoplasm are the three primary components of a cell. The substances that enter and leave the cell are governed by the cell membrane, which encloses the cell.

Because they are both eukaryotic cells, plant and animal cells share many structural similarities.

The nucleus, mitochondria, endoplasmic reticulum, golgi apparatus, lysosomes, and peroxisomes are just a few membrane-bound organelles that are present in both of them.

Thus, the correct option is A.

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Your question seems incomplete, the complete question is:

A student constructs a Venn diagram to compare the organelles in plant and animal cells.

Venn Diagram of Plant and Animal Cells

A Venn Diagram is shown. One circle is labeled Animal only, the other circle is labeled plant only, and the overlapping section is labeled both.

Which organelle should be listed under “Animal Only” in the diagram?

A. nucleus

B. centriole

C. vacuole

D. cell wall

If an athlete were using illegal growth hormones to increase his or her muscle growth, he or she would be trying to make changes to his or her:

Answers

If an athlete were using illegal growth hormones to increase his or her muscle growth, he or she would be trying to make changes to his or her endocrine system.

A intricate system of glands and organs makes up the endocrine system. Your body's metabolism, energy level, reproduction, growth and development, and response to injury, stress, and mood are all regulated and coordinated by hormones. The following elements make up the endocrine system: Hypothalamus. An growth organ that produces hormones that are released directly into the bloodstream and travel to tissues and organs throughout the body.endocrine system regulate many bodily functions, including growth and development, metabolism, and fertility.

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A scientist is investigating the possibility that two traits in a particular plant are determined by genes that are on the same chromosome. The scientist crossed a plant that is homozygous dominant for both traits with a plant that is homozygous recessive for both traits. The heterozygous offspring in the Fl generation were then crossed with a plant that is homozygous recessive for both traits. The results expected if the genes independently assort and the observed results are presented in the table. Phenotype Expected Number in F2 Observed Number in F2 25 17 Long stems, white flowers Short stems, red flowers 25 19 Long stems, red flowers 25 31 25 33 Short stems, white flowers Total number of plants 100 100 Which of the following critical values should the scientist use for the chi-square analysis of the data? a. 3.00 b. 3.84 c. 7.81 d. 8.00

Answers

The critical value the scientist should use for the chi-square analysis of the data is b. 3.84.

THE CHI-SQUARE ANALYSIS OF THE DATA

The chi-square test is a statistical test used to determine whether there is a significant difference between the observed and expected frequencies in a contingency table. In this case, the scientist is investigating whether two traits in a plant, long stems and white flowers, are determined by genes that are on the same chromosome. The scientist has conducted a genetic cross between plants that are homozygous dominant and homozygous recessive for both traits, and has obtained a sample of 100 plants in the F2 generation. The scientist has then tabulated the observed and expected frequencies of the four possible phenotypes (long stems, white flowers; short stems, red flowers; long stems, red flowers; short stems, white flowers) in the F2 generation.

The chi-square test is used to determine whether there is a significant difference between the observed and expected frequencies in the table. The calculated chi-square value is compared to a critical value from a chi-square distribution table with 3 degrees of freedom and a significance level of 0.05. The degrees of freedom for a chi-square test are equal to the number of categories in the table minus 1. In this case, there are 4 categories (phenotypes) in the table, so the degrees of freedom are 3.

The critical value for this test is 3.84. If the calculated chi-square value is less than 3.84, the scientist would conclude that there is no significant difference between the observed and expected frequencies and thus the genes independently assort, meaning that the genes are located on different chromosomes. On the other hand, if the calculated chi-square value is greater than 3.84, the scientist would conclude that there is a significant difference between the observed and expected frequencies and thus the genes are located on the same chromosome.

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How do relationships among organisms help ecosystems thrive? Provide at least 6 sentences.

Answers

Relationships among organisms play a vital role in maintaining the balance and stability of ecosystems. These relationships can be categorized into three main types: mutualism, commensalism, and competition.

In mutualism, both species involved in the relationship benefit. For example, many plants have mutualistic relationships with pollinators, such as bees. The plants provide nectar as a food source for the bees, while the bees help to pollinate the plants, allowing them to reproduce.

In commensalism, one species benefits from the relationship while the other is neither helped nor harmed. The relationship between cattle and cattle egrets is an example of commensalism. The egrets feed on insects stirred up by the cattle as they graze, while the cattle are not affected by the presence of the egrets.

In competition, two or more species compete for the same limited resource. This can lead to the evolution of unique adaptations that allow a species to better exploit a particular resource, which in turn can lead to greater biodiversity in an ecosystem.

Predator-prey relationships also play an important role in ecosystems by controlling population sizes and helping to maintain balance within the ecosystem. In addition, decomposers break down dead organic matter and recycle nutrients, making them available for other organisms to use.

In summary, relationships among organisms in an ecosystem are vital for maintaining balance and stability, and ultimately ensuring the survival of the ecosystem.

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proteus mirabilis produces the enzyme urease which converts urea into ammonia. explain why patients with UTI caused by proteus mirabilis would have a higher-than-normal urine ph

Answers

The enzyme urease, produced by Proteus mirabilis, catalyzes the conversion of urea into ammonia. Ammonia is a base and therefore increases the pH of urine.

Urine pH normally ranges from 4.5 to 8.0, with a healthy urine pH usually ranging between 6.0 and 7.5. When present in the urinary tract, Proteus mirabilis increases the pH of urine to above 7.5 due to the production of urease. This elevated pH environment is more favorable for the growth and survival of the bacteria, allowing it to colonize and cause a urinary tract infection (UTI). As a result, patients with UTIs caused by Proteus mirabilis are likely to have a higher-than-normal urine pH.

Additionally, due to the production of urease, the urine of patients with Proteus mirabilis-caused UTI may show an alkaline reaction on a reagent strip.

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Much of the world's sulfur is found in _________ and ______________. eggs, cabbage volcanic glass, coral reefs computer chips, plasma TVs gypsum, pyrite sea water, the atmosphere

Answers

Much of the world's sulfur is found in sea water, the atmosphere, eggs, cabbage, volcanic glass, coral reefs, gypsum, pyrite, and computer chips.

Sulfur is a versatile and abundant element that can be found in a variety of sources. In the sea, sulfur is found in its elemental form, usually bound to other elements such as oxygen and hydrogen.

In the atmosphere, sulfur is found mainly as sulfur dioxide, a byproduct of combustion.

Eggs, cabbage, and volcanic glass contain sulfur in the form of sulfates. Coral reefs are composed of calcium sulfate, and gypsum is largely composed of calcium sulfate dihydrate.

Pyrite is an iron sulfide mineral that is found in many rocks. Finally, sulfur is also present in computer chips, where it is used in the form of transistors to control the flow of electrons. All of these different forms of sulfur are essential for life on earth, and many of them are used in industry and technology.

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What qualifies as medical expenses for tax deductions?

Answers

The IRS permits us to write off as eligible medical expenses any unreimbursed costs for procedures, treatments, operations, and dental and eye care.

Additionally, we can write off any out-of-pocket costs associated with visiting a psychologist or a psychiatrist. Deductible expenses include the cost of hearing aids, glasses, contacts, fake teeth, and prescription drugs that are not reimbursed.

We are also allowed to deduct from our taxes the expenditures of traveling for medical treatment, such as gas, bus fares, and parking fees.

Depending on your income, there are different medical expense deduction amounts. In 2022, if taxpayers itemize their deductions using IRS Schedule A, the IRS will permit them to write off all permissible unreimbursed medical care costs that exceed 7.5% of their adjusted gross income.

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you will think/search about different cultural practices in other country/place based on the given element.

• BELIEFS
•AESTHETIC
•EDUCATION
• RELIGION
• MATERIAL CULTURE

EXAMPLE: BELIEFS - spitting is a way of saying hello of Maasai tribe in Kenya.​

Answers

BELIEFS: In Japan, it is believed that folding 1000 paper cranes can grant a person a wish.

AESTHETIC: In the Himba tribe of Namibia, women cover their skin with a mixture of butterfat and ochre to enhance their beauty and protect their skin from the sun.

• EDUCATION: In some parts of India, the Guru-shishya tradition is still practiced, where a student lives with and learns from a Guru (teacher) in a specific field, such as music or martial arts.

RELIGION: In Bali, Indonesia, daily offerings and prayers are made to the gods and ancestors, often including small intricate woven baskets filled with rice, flowers, and other items.

• MATERIAL CULTURE: In the Inuit community of the Arctic, igloos were traditionally made as temporary shelters out of snow and ice blocks.

What is the cultural practices?

Culture in the above sense refers to the shared beliefs, values, customs, behaviors, and artifacts that characterize a group or society. It encompasses various aspects of human society, including beliefs and traditions, language, religion, art and aesthetics, education, and material culture.

Culture can be defined as a way of life of a particular group of people and is passed down from generation to generation through socialization.

In the examples provided above, different cultural practices are discussed in relation to the given elements such as beliefs, aesthetic, education, religion and material culture. For example, the practice of folding 1000 paper cranes in Japan is a cultural belief that is passed down through generations.

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What are two similarities between natural and artificial selection?

Answers

Natural selection is a process that occurs when environmental factors that limit survival and reproduction, such as harsh environments or mating competition, are present.

Selected breeding falls within the definition of "artificial selection." Breeding is the natural act of two species mating, but selective breeding is an artificial process where people intervene and pick certain organisms to marry. Selective breeding and natural selection can be contrasted in three ways.

Artificial selection is a human-driven process. Natural selection is governed by environmental demand for selection. The artificial selection process is managed by breeders. Natural selection has significantly boosted biological diversity on Earth. As opposed to natural selection, artificial selection makes it simpler for the breeder to pass on desired qualities.

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Describe the process in eukaryotes that ensures that the number or chromosomes will not aouble from
parent to orspring wen gametes ruse auring fertilization

Answers

Answer:

The process in eukaryotes that ensures that the number of chromosomes will not double from parent to offspring when gametes fuse during fertilization is called meiosis. During meiosis, the number of chromosomes is reduced by half through a process of cell division. This process is known as meiotic division and involves two rounds of cell division. During the first round, homologous chromosomes are separated from each other and during the second round, sister chromatids are separated from each other. This ensures that each gamete only contains one copy of each chromosome, thus preventing the number of chromosomes from doubling when the two gametes fuse during fertilization.

Explanation:

The following list describes a certain set of objects in our solar system.
no solid surfaces
thick atmospheres
many rings and many moons
Which is the most likely set of objects described by this list?

Answers

The correct answer would be inner planets, Terrestrial planets is another name for the inner planets.

What are inner planets?

There are a total of eight planets in our solar system. The outer planets and the inner planets are two other major groups into which planets can be divided. Earth, Mercury, and Mars are considered inner planets since they are situated within the asteroid belt (region of asteroids between Mars and Jupiter). Furthermore, because they are made of minerals and metals, inner planets differ from other planets in terms of their composition. These planets are also referred to as terrestrial planets because of their makeup.

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What are silent mutations called?

Answers

Silent mutations are also known as missense mutation.

In general, Nucleotide substitutions may lead to no change in the protein sequence which known as silent mutations. so , we can say that a silent mutation is a mutation that occurs within the DNA sequence, but they do not alter the amino acid sequence. These mutations takes place when in an introns, that is spliced before translation.

Hence,  example may include Single nucleotide substitutions they are not involved in changing any of the amino acid sequence so termed as silent  polymorphisms. Mutation in these base pair will also not change the function of the protein.

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Write a claim evidence and reasoning on Do trees change the composition of the atmosphere around us?

Answers

Answer:

Claim: Trees change the composition of the atmosphere around us.

Evidence: Trees absorb carbon dioxide from the atmosphere through the process of photosynthesis and release oxygen back into the air. This process helps to regulate the concentration of these gases in the atmosphere and can affect the overall composition of the air.

Reasoning: Photosynthesis is a fundamental process that occurs in plants, including trees. During photosynthesis, trees absorb carbon dioxide from the air and use it, along with sunlight and water, to produce energy and grow. As a byproduct of this process, trees release oxygen back into the air. This exchange of gases between trees and the atmosphere helps to regulate the concentration of carbon dioxide and oxygen in the air and can affect the overall composition of the atmosphere. Therefore, it is reasonable to conclude that trees do change the composition of the atmosphere around us.

Synthesize In your own words, explain the effect of sea otters on kelp forests, and what
Estes's findings suggest about managing predator-pray relationships in local environments.

Answers

A kelp forest can be safeguarded by the presence of sea otters. They consume a lot of sea urchins, which controls their population and keeps the kelp forest from being destroyed. One of the foundational species of the coastal ecology is the sea otter.

What Are sea otters?

Marine animals known as sea otters (Enhydra lutris) live along the coasts of the Aleutian Islands and North America's mainland up to Mexico.. Fish, sea urchins, mollusks, and crustaceans make up the majority of sea otters' diets.  Sea otters are keystone species is one that has a significant, calming effect on the entire ecological community.

Sea otters are a keystone species that keeps kelp forest ecosystems in a healthy balance in addition to regulating populations of ravenous kelp grazers.To prevent floating away in the churning sea while they sleep, sea otters prefer to anchor in kelp or large seaweed. To keep each other company, they share this quality. They stick within the group as a result to keep from vanishing into the distance.It's thought that sea otters contributed to the preservation of kelp forests. This reduces the degradation of the kelp forest and helps control the population in addition to eating a lot of sea urchins. A keystone species, sea otters are crucial to the ecosystem of the coastal region.Sea otters, a form of plankton, can put pressure on sea urchins by consuming and grazing on them. Because sea urchins are grazers of kelp and are a species of plankton, sea otters can consume them and graze on them. As kelp is subjected to less grazing pressure due to the decreased urchin density, kelp forests can grow in the presence of sea otters.Kelp forests

A versatile sea vegetable, kelp can be eaten raw, cooked, or as a component of several supplements. Sushi, salads, sauces, and other dishes must all have kelp. Particularly sea otters are essential to the health of kelp forests, which are essential to the health of the bay. Sea urchins, which may completely devastate kelp beds without them, instead eat the stripes of huge kelp plants, which are not consumed by sea otters.

The Significance Of Sea Otters In Alaska’s Kelp Forests

Sea otters play a key part in the kelp forests around the coast of Alaska. More than 20 distinct species of fish live in kelp forests, which also serve as spawning and breeding grounds for herring, atka mackerel, and salmon fry nurseries. Sea otters contribute to the energy flow between the ocean and kelp forest. Sea otters feed on kelp forests because they are dense, which opens up the canopy to let sunlight reach the floor and feed herbivores. Because sea otters graze on urchins, a primary pest in kelp forests, the urchin population is impacted, which harms the canopy of kelp forests.

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A snake has scaly skin to keep from drying out in the desert. A cactus has sharp spines and a thick stem that keep water in. Which term describes such traits that help organisms survive

Answers

A snake has scaly skin to keep from drying out in the desert. A cactus has sharp spines and a thick stem that keep water in .Adaptations term describes such traits that help organisms survive.

In biology, there are three related definitions of adaptation. First, natural selection, a dynamic evolutionary process, adapts organisms to their environments, improving their evolutionary fitness. Second, it is a state that the populace has attained along that process. Thirdly, it is a phenotypic characteristic or adaptive trait that has been preserved and has evolved via natural selection and has a functional purpose in each individual organism.

History has recorded descriptions of adaptation going back to the time of the ancient Greek philosophers Empedocles and Aristotle. Natural theology of the 18th and 19th centuries saw adaptation as proof of the presence of a deity. Charles Darwin suggested that natural selection should be used as the explanation instead.

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Full Question: A snake has scaly skin to keep from drying out in the desert. A cactus has sharp spines and a thick stem that keep water in. Which term describes such traits that help organisms survive ?

Recessive traits

genes

instincts

Adaptations

Which Process occuaring in plants provides energey to other organisams in the ecosystem?

Answers

Photosynthesis

Plants turn water, sunlight, and CO2 into carbon compounds.

They use the process of photosynthesis to transform water, sunlight, and carbon dioxide into oxygen, and simple sugars that the plant uses as fuel.

How did black Monday affect the direction of Wilkins career

Answers

Answer:

Bombing of Hiroshima

Explanation:

This made him want to study the science of life

What term is used to describe an organism that has two identical alleles for a trait both alleles either upper case or lower case )?

Answers

Diploid organisms is used to describe an organism that has two identical alleles for a trait both alleles either upper case or lower case .

Each chromosome in diploid cells has two identical copies, typically one from the mother and one from the father. Mammals are nearly all diploid organisms. The only known exceptions are the presumed tetraploid (having four chromosomal sets) plains viscacha rat and golden viscacha rat (as of 2004).

The huge genome sizes of these two rodents are best explained by the amplification and dispersion of repetitive sequences, according to some genetic studies, which reject any possibility of polyploidy in mammals as implausible. A small percentage of the cells in all healthy diploid individuals show polyploidy. 46 chromosomes can be found in human diploid cells.

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What does the dead bird represent in Trifles?

Answers

The canary represents Minnie Foster, the charming, fluttery youngster who was converted into the lonely, melancholy Mrs. Wright after years of neglect and emotional abuse at the hands of her husband.

Susan Glaspell's Trifles is a one-act drama. On August 8, 1916, the Provincetown Players staged it at the Wharf Theatre in Provincetown, Massachusetts. Glaspell portrayed Mrs. Hale in the original production. The drama is regularly anthologized in textbooks of American literature. The play, written during the first wave feminist movement, contrasts how women act in public and in private, as well as how they perform in front of other women vs males.

Through the absence of its main character, Mrs. Wright, Trifles addresses the issue of identity. Glaspell reveals how a person's identity is "just as much created as innate" by leaving this figure off stage. Mrs. Wright can only be perceived by the audience via the lens of the on-stage characters as they review and debate her personal life and alleged crime, and these characters may not all perceive Mrs. Wright in the same way. The spectator gets a well-rounded image of Mrs. Wright and how her identity is flexible and evolves based on the preconceptions of the other characters from the group in the farmhouse.

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One example of an oncogene is ras. Ras is a G protein that is activated when growth factors bind to a G protein-coupled receptor. The mutated form of ras binds to GTP but does not allow the GTP to be broken down to GDP. Ras is involved in both the G 1 and G 2 checkpoints. What happens to cells that have this mutated form of ras

Answers

Ras is involved in both the G1 and G2 checkpoints.Through the inhibition of cyclin-dependent kinase inhibitors (CKIs), such as p27 and p21, which would otherwise bind with and inhibit cyclin-dependent kinases, oncogenic RAS can enhance cell cycle advancement (CDKs). IgM).

Growth factors bind to cell surface receptors to promote cellular proliferation and/or differentiation.While some growth factors are unique to a particular cell type, others are highly adaptable and stimulate cellular division in a variety of oncogenic cell types. When growth factors attach to growth factor receptors, normal Ras is activated. Ras becomes GTP-bound when it is inhibitors, activating a signalling pathway that promotes cell division and proliferation.

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Why do cells need a high surface area to volume ratio ?

Answers

The surface area to volume ratio (SA:V) is a mathematical formula used to measure the relative size of a cell. It is the ratio of the surface area of a cell to its volume. Cells need to maintain a high SA:V in order to survive and function properly.

First, a high surface area to volume ratio is needed in order for the cell to take in essential nutrients and expel waste. All cells must take in oxygen, glucose, and other nutrients from the environment in order to survive, and they must also get rid of waste products such as carbon dioxide and other toxins. The surface area of a cell provides an area for the cell to access these materials, and the volume of the cell determines how much material can be moved in and out of the cell. A higher SA:V means that more of the cell's surface area is available to take in materials, and more of the cell's volume is available to expel waste.

Second, a high surface area to volume ratio is also necessary for the cell to carry out its metabolic processes. The metabolic processes of a cell require energy, which comes from the breakdown of glucose and other molecules. A higher SA:V allows for more of the cell's surface area to be used for enzyme-catalyzed reactions, and more of the cell's volume to be used for the storage and transport of molecules to and from the cell.

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How did Alexander the Great influence the spread of Greeces culture? Of the 6,960 balloons thrown in a water-ballon fight, 870 were red. At this rate, how many balloons out of 48 would be red? WRITE JUST THE ANSWER WITHOUT UNITS The continuous random variable N has a normal distribution with mean 7.5 and standard deviation 2.5. For which of the following is the probability equal to 0 ?(A) P(N = 8) (B) P(N > 8) (C) P(N < 8) (D) P(7 < N < 8) (E) P(N < 7) or P(N > 8) A registered nurse is teaching a nursing student about the components of the magnet model. What information should the registered nurse provide about exemplary professional practice according to the revised magnet model In humans, brown eyes are dominant to blue and brown hair is dominant to blonde. Cross a homozygous dominant brown-eyed blonde man, with a blue-eyed and heterozygous brunette woman Can someone please help me on this & Ill reward you afterwards What's the difference between confederation and federalism? Which of the following statements about cultural differences in the workplace is most accurate? Select one:A. Managers must be very aware of cultural differences and recognize that different employees may respond best to different management and motivational styles.B. The best way to deal with cultural differences in the workplace is to treat everyone the same way.C. Cultural differences were once a major problem, but television, telecommunications, e-mail, and the Internet have brought people closer together and greatly reduced cultural differences.D. Only firms that hire a lot of foreign-born workers are likely to have problems dealing with cultural differences. Workers born in Canada tend to have a common set of values and attitudes, regardless of age or social background. Three 3. 0g {\rm g} balls are tied to 80-cm {\rm cm}-long threads and hung from a single fixed point. Each of the balls is given the same charge q q. At equilibrium, the three balls form an equilateral triangle in a horizontal plane with 20 cm {\rm cm} sides. What is q? How did the partition (division) of India and Pakistan lead to present-day tensions between the two countries? Be clear, be specific - use examples.I have a edpuzzle video on this and it was no help at all to answer this question please help I need a explanation Tamara said the Distributive Property was used to write 21x + 56xy as an equivalent expression, 7(3x + 8y). Is she correct? Explain. And what is the correct expression. What is this expression in simplified form?(22) (52)O A. 1011O B.1211O c.20v/11OD. 24/11 The cap that is added to the RNA during processing: (Select all that apply.) O is needed for ribosomes to attach to messenger RNA. O helps prevent rapid breakdown of the messenger RNA. O helps prevent formation of complex three-dimensional structures in the messenger RNA. O aids in the accuracy of translation of the messenger RNA into protein. 4. (ANSWER QUICKLY PLAESE) Mrs. Rubio collected $5 fromeach student and $8.25 from eachchaperone for a field trip. She collecteda total of $176.25. If 5 chaperones wenton the field trip, how many studentswent? What is a zero degree polynomial? How do you make an interaction meaningful? ulius competes in the hammer throw event. The hammer has a mass of 7.26 kg and is 1.215 m long.What is the centripetal force on the hammer when it has a tangential speed of 31.95 m/s How did the methods of early structuralists and functionalists differ? name a psychologist that took each approach. Write the correct wordhe space next to1. a minor battle2. aggressive; eager to fight3. inconsistent4. bitter conflict5. a cunning trickCOMPLETE THSEIT (5)C x= x 1/3 * x3 is it always sometimes or true