Answer:
A, C, and D
Explanation:
The available choices to the question are:
A. Peer review guarantees that the results of the research or experimentation are accurate and relevant.
B. Peer review allows other scientists the chance to try to replicate the experimental results.
C. Peer review can lead to new ideas and further study.
D. Peer review helps check for mistakes, bias, or fraud in a set of experimental work.
The 3 correct options here would be that:
1. Peer review guarantees that the results of the research or experimentation are accurate and relevant.
2. Peer review can lead to new ideas and further study.
3. Peer review helps check for mistakes, bias, or fraud in a set of experimental work.
A peer review process involves an independent and unbiased evaluation of a scientific report by one or more professionals in the same field of study as the subject of the report.
Peer review is encouraged to improve the overall quality of reports and their findings, check for inconsistencies in reports, determine the validity of the procedures and improve the credibility of the findings in the report. Input from peers can shed more light on certain aspect of reports, leading to new ideas and further study.
Publishing a work, not peer-reviewing, will afford other scientists the chance to repeat the experiment and test the validity of the findings.
Hence, the correct options are A,C, and D.
What happened in the 1980’s with environmental laws and regulations because some people claimed that the laws and regulations were hurting the economy?
Environment laws were stricter in the 1980s. Thus, people contested them saying that this will increase inflation.
What are environmental laws?Several environmental laws have been adopted over the last five decades in the United States. These laws have resulted in dramatic effects on the air and water quality of the nation. These have also reduced the exposure of people to toxic chemicals.
Various generations of the American public have benefitted from the legacy of leadership that has taken environmental issues as their primary priority. The benefits achieved by these laws and efforts have been controversial, to say the least.
Some of these laws have resulted in the utilization of huge amounts of public funds. Because of the misconception of a large number of the public that environmental issues are not serious or real, people believe that spending huge sums of money on environmental issues is a waste of a form of corruption.
Therefore, because the environmental laws were stricter in the 1980s, people contested them saying that this will increase inflation.
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The four main types of macromolecules found in organisms are
Answer:
carbohydrates, lipids, proteins, and nucleic acids
Explanation:
For the following question, which is the best hypothesis "Does exposure to radon (a source of natural radiation) in your home cause an increased risk of cancer?"
Everyone who is exposed to radon will die from cancer.
People should not risk exposure to radon!
Cancer may be caused by many different factors, including exposure to radiation, chemicals and too much stress in a person's life.
I am immune to cancer because there is no history of cancer in my family.
People who have been exposed to radon have an increased rate of cancer, as compared to people who have not been exposed.
Answer:
People who have been exposed to radon have an increased rate of cancer, as compared to people who have not been exposed.
Explanation:
Hypothesis of an experiment is a testable explanation or a suggested solution that aims to answer a question asked or solve an observed problem. The hypothesis must be able to be tested via experimentation and must not be true. A good hypothesis should include the independent and dependent variables in it.
For the problem/question asked in this experiment that: Does exposure to radon (a source of natural radiation) in your home cause an increased risk of cancer?"
The best hypothesis that provides a testable answer to this question is: People who have been exposed to radon have an increased rate of cancer, as compared to people who have not been exposed.
From the above hypothesis, we can see that it contains the independent variable, which is exposure to radon, and the dependent variable, which is cancer rate
People who have been exposed to radon have an increased rate of cancer, as compared to people who have not been exposed.
Mutations are alterations in the DNA (nucleotide) sequence of the genome of an organism.Cancer is a multifactorial disease that is associated with mutations in DNA.Radon is a mutagenic agent that increases the risk of mutation leading to cancer.In conclusion, people who have been exposed to radon have an increased rate of cancer, as compared to people who have not been exposed.
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If each new cell made after mitosis is _______ to the original "mother" cell. This means that skin cells can replace dead, dying, or damaged skin cells when needed.
My answer to the question is copied or replicated.,and then divided to the chromosome
Which of these molecules would you least expect to easily dissolve in water?a. sucrose b. potassium chloride c. acetone d. 2-methylpropane e. acetic acid
Answer:
D. 2-methylpropane
Explanation:
The ability of a substance to dissolve in water is dependent on whether the molecules of the substance are polar or non-polar . Since water is a polar molecule, polar molecules readily dissolve in it in accordance with the principle of "like dissolves like".
Sucrose is a polar molecule since like water, it has bonds between electronegative oxygen, and electropositive hydrogen. Thus, it dissolves in water.
Potassium chloride is an ionic and hence polar molecule. It readily dissolves in water.
Acetone is a polar molecule due to the polar nature of the carbon-oxygen double bond in the molecules. Thus, it easily dissolves in water.
2-methylpropane is a non-polar molecule. The C-H bonds present in its molecules are non-polar, so it does not readily dissolve in water.
Acetic acid is a polar molecule due to carbon-hydrogen bond as well as oxygen-hydrogen bond. It readily dissolves in water and forms hydrogen bonds with water molecules.
Drew observed in an experiment that algae in a nearby lake could be found at six meters below the water's surface on a clear day. On a cloudy day, Drew noted that the algae sat only one meter below the surface of the water. What was the dependent variable in Drew's experiment? the lake that Drew observed the depth at which Drew found the algae the amount of algae measured the sky conditions on a particular day
Answer:
The depth at which Drew found the algae
Explanation:
The dependent variable was the depth at which he found the algae, because that is what he measured on each day.
The independent variable was the sky conditions, since that changed from clear to cloudy, which impacted the dependent variable/the depth of the algae.
which best explains mantle convection
Answer:
não sei responder sua pergunta
The FRAP technique occurs in a series of steps. Select every statement that correctly describes a step in the FRAP procedure.A. The speed of repair of the fluorescent marker is measured.B. All fluorescent molecules in the cell are irreversibly bleached.C. The relative mobility of the fluorescently labeled molecule is measured.D. The molecule of interest is fluorescently labeled.
Answer:
The answer is "Option C and Option D"
Explanation:
FRAP is used only for protein motion management. It travels throughout two dimensions in the plasma membrane. It includes many available-moving or immobile proteins. This technology uses globally marked fluorescent bleaching products, and also includes the fluorescent proteins, but one particular area is washed.
Its protein arc changes are detected by fluorescence reappearance. The fluorescence reappears at a certain stage if the protein can move freely. When the proteins aren't able to move quickly, fluorescent dyes are recovered after a little period, and fluorescence would not resurface during that point if the enzyme is immobile.
Bread and pasta are carbohydrates commonly consumed by people what chemical feature of carbohydrates makes them necessary food?
Answer:
It gives the body energy and calories
What characteristics of life distinguishes a fire and a flowering plant?
A student wonders whether removing the nucleus from a cell would result in a new prokarytic cell. Why would this procedure fail to produce a prokaryotic cell
Answer: Yes the cell would lack genetic information
Explanation:
What was the result of the overhunting of sea otters along the Pacific Coast?
The sea otters on the Pacific Coast went extinct.
The sea urchin population expanded and consumed the kelp and damaged the habitat.
The sea urchin population was reduced to dangerous levels.
The kelp grew rapidly and created new habitat for fish.
Answer:
The sea urchin population expanded and consumed the kelp and damaged the habitat.
Explanation:
Sea otters prey on sea urchin and keep their population under control. Without sea otters, the sea urchin population cannot be kept in check and they will over consume kelp.
Devastating effects resulted from the excessive sea otter hunting around the Pacific Coast. Because sea otters are a keystone species in the ocean, they have an outsized impact on their surroundings. They eat kelp forests, which in turn eat sea urchins.
What happened without the sea otters ?Without sea otters to control their numbers, the sea urchin population grew and ate up the kelp, harming the environment. Fish depended on the kelp forests for cover, hence this led to a drop in the fish population. The sea otter species came dangerously close to extinction as a result of the rapid population fall.
The government has designated sea otters as a species of special concern in the United States, so this was very alarming.done action to safeguard them. The Pacific Coast environment was affected by the sea otter population collapse, which also had an impact on the fish population and kelp forests.
The overhunting of sea otters has led to the implementation of many conservation initiatives. Reintroducing sea otters to the Pacific Coast is one such initiative.
By lowering the sea urchin population and enabling the kelp to regenerate, this has helped to restore the ecosystem's equilibrium. In order to safeguard the species and assure its survival, the government has also imposed limitations on the hunting of sea otters.
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Which best explains the difference between a ball-and-stick model of a chemical compound and a space-filling model?
Answer:
Ball-and-stick models show the bonds between atoms, but not the relative sizes of atoms. Space-filling models show the relative sizes of atoms, but not the bonds between atoms.
Answer:
D
Explanation:
edge
Thursday/Friday:
(Read and write/answer question in yellow)
A student wants to test if giving dogs a toy to play
with makes their tail wag more. He gives dog toys to
one group, while another group of dogs does not
get any toys. He counts the number of times each
dog wags their tail.
What is the Independent Variable?(tested) The
Dependent Variable?(measured)
Yes
Answer:
I/V = giving the dogs toys
D/V = how many times the dogs wag their tails
Explanation:
dependent variable DEPENDS on the independent variable. If he gave a dog a toy and their tail wagged, he made that happen by giving the dog a toy, which is the independent variable because he made that happen, by changing the circumstance aka the independent variable aka the toys!
The diagram shows the general structure of a lipid, which consists of two main parts. A carboxyl group in a circle and a chain. Which part is circled? alcohol group fatty acid carboxyl group unsaturated lipid
Answer:
Carboxyl Group
Explanation:
Took test and got it right.
Answer:
Carboxyl Group
Explanation:
PLEASE HELP ASAP!!! CORRECT ANSWERS ONLY PLEASE!!
Answer:
Fault H, then layer G and F
Explanation:
The fault H first because the layers are deformed , which means the rocks accumulated on the fault under pressure.
Sedimentary rock is converted into metamorphic rock with the addition of
A.nuclear energy
B. Kinetic energy
C. Potential energy
D. Heat energy
do all cell types, such as skin cells, fat cells, muscle cells and bone cells, have the same cell cycle lengths (as in the time they take to grow and divide)?
Answer:
No
Explanation:
They have different division rates as some are more important for the body's health than others.
Ex) Skin cells repair very fast as they are on the exterior of the body and are constantly damaged, needing to be repaired quickly to prevent infection.
what type of fruits is okro
Answer:
Okro is also known as Lady - Fingers
How many amino acids must be obtained in the diet because they cannot be made by the body?
O 2
O 5
O 10
O 20
Answer:
C
Explanation:
Edge 2021 did the quiz and got 100%
Stem cells renew tissues but are all lost in childhood.a) trueb) false
Answer:
False
Explanation:
Stem cells are different type of cells in human body that can develop into different other body cells like muscles cells or brain cells and they gave the capability to renew themselves through mitotic cell division.
Stem cells are not lost in childhood but can be use to treat diseases or infection, it can be use to grow new cells and replace damaged body cells.
Which feature of model 1 best illustrates how biological information is coded in a DNA molecule?
The 5′ and 3′ labels at the ends of each strand
The 5′ and 3′ labels at the ends of each strand
A
The labeling of the hydrogen bonds between base pairs
The labeling of the hydrogen bonds between base pairs
B
The lines connecting sugars and phosphate groups that represent covalent bonds
The lines connecting sugars and phosphate groups that represent covalent bonds
C
The linear sequence of the base pairs
Answer:
The correct answer is - option C. The linear sequence of the base pairs .
Explanation:
The double helix structure is presented in the model which exhibits the two major and important characteristic of the DNA molecule. The first major property of the double helix model shows that each strand of the molecule acts as a template for the creation of the complimentary strand.
The second major property is that the genetic information can be be store in the linear sequence of the nucleotide or the base pair along with the backbone of the molecule.
Thus, the correct answer is - option C. The linear sequence of the base pairs .
what are the biological important of tomatoes
Answer:
They protect heart health
Tomatoes contain an antioxidant called lycopene, which is responsible for their red color. Research suggests that in terms of heart health benefits, it's more effective to eat tomatoes and tomato products than take lycopene supplements
Explanation:
Tomatoes are the major dietary source of the antioxidant lycopene, which has been linked to many health benefits, including reduced risk of heart disease and cancer.
They are also a great source of vitamin C, potassium, folate, and vitamin K.
Usually red when mature, tomatoes can also come in a variety of colors, including yellow, orange, green, and purple. What’s more, many subspecies of tomatoes exist with different shapes and flavor.
What are two specific examples of where this division occurs in nature?
Answer:
There are two types of cell division: mitosis and meiosis. Most of the time when people refer to “cell division,” they mean mitosis, the process of making new body cells. Meiosis is the type of cell division that creates egg and sperm cells.
Explanation:
hope this helps you.
An organism has the following genotype: AABb. What type of gametes can be produced, and in what proportions ?
Answer:
AB Ab AB Ab
AB 50 Ab 50
Explanation:
The organism can produce TWO types of gametes: AB and Ab. Supposing these genes are unlinked, the proportion of gametes will be 1/2 (50 percent of each gamete).
Meiosis is a reductional cell division where the resulting daughter cells (gametes) where chromosome number is divided into half, thereby producing haploid gametes in a diploid individual.The law of segregation (also called Mendel's First Law) indicates that during meiosis, alleles separate.In consequence, after meiosis, each gamete receives only one allele for a given trait.In conclusion, the organism can produce TWO types of gametes: AB and Ab. Supposing these genes are unlinked, the proportion of gametes will be 1/2 (50 percent of each gamete).
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Which is true about visible light?
A. It travels fastest through a medium, such as water or air.
B. It is the only part of the electromagnetic spectrum that
we can see.
C. It cannot travel through a vacuum.
Answer:
B
Explanation:
Light travels through medium but is fastest through vacuum, so C is wrong, and A is wrong. B is the correct answer.
I need help ............
Saturated Fats:
bad fats
solid at room temp
butter, red meat
Single bonds
Unsaturated Fats:
good fats
double bonds
oils and nuts
liquid at room temp
The paravertebral ganglia are present in both the parasympathetic nervous system and sympathetic nervous system.A. TrueB. False
Answer:
it B. false
Explanation:
The excerpt is from an article that Roberto read for science class called “Using the Scientific Method to Study Tomatoes.”
The student performed an experiment to test his hypothesis about sunlight and plant height using two plants. He kept everything the same between two tomato plants except he exposed them to different amounts of sunlight. He also used a third plant as a control group, or a group in which no variables are manipulated to confirm the results.
Roberto critiqued the work. Which problem did Roberto most likely identify?
The sample size is too small.
Too many variables are manipulated.
It is not possible to keep the conditions the same.
Controls should only be used in studies of animals.
Answer:
The sample size is too small.
Explanation:
The process of elimination helped me find this answer.
It is possible to keep the conditions the same.
there are only 2 plants and one control, that's obviously not a lot.
and controls can be used on more than studying animals.
When using the scientific method you can use as many test subjects as you can so it can help you confirm. two plants are not a lot.
I've also had a teacher confirm that this is the correct answer.
edge 2020
The problem that Roberto most likely identify is the sample size is too small. The correct option is A.
What are scientific methods?Scientific methods are a series of methods that are done to extract correct and logical results. The method includes making a hypothesis, going through the process of calculations, making a conclusion, and then the result.
Roberto is studying the growth of tomatoes under sunlight. The hypothesis is that sunlight affects the height of the tomatoes. He took plant samples, but the study took time because the plant samples were too small. So taking the right size of plants is very necessary otherwise the whole study will do in vain.
Thus, the correct option is A. The sample size is too small.
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Minos, king of Crete, had made war upon Athens. He had come with a great fleet of ships and an army, and had burned the merchant vessels in the harbor, and had overrun all the country and the coast even to Megara, which lies to the west. He had laid waste the fields and gardens round about Athens, had pitched his camp close to the walls, and had sent word to the Athenian rulers that on the morrow he would march into their city with fire and sword and would slay all their young men and would pull down all their houses, even to the Temple of Athena, which stood on the great hill above the town. Then Aegeus, the king of Athens, with the twelve elders who were his helpers, went out to see King Minos and to treat with him.
–“The Cruel Tribute,”
James Baldwin
Which detail from the passage creates the most suspense for the reader?
“Minos, king of Crete, had made war upon Athens.”
“He had laid waste the fields and gardens round about Athens.”
“Then Aegeus, the king of Athens . . . went out to see King Minos and to treat with him.”
Answer:
“Then Aegeus, the king of Athens . . . went out to see King Minos and to treat with him.”
Explanation:
just took the test
It is likely that the detail that creates the most suspense for the reader is "He [Minos] king of Crete, had made war upon Athens.”
What was the confrontation between Minos and Athenian ruler?
It is likely that the detail that creates the most suspense for the reader is "He [Minos] had sent word to the Athenian rulers that on the morrow he would march into their city with fire and sword and would slay all their young men and would pull down all their houses, even to the Temple of Athena, which stood on the great hill above the town."
This detail implies that the confrontation between Minos and the Athenian rulers will be violent and destructive, and the reader may be left wondering what will happen as a result. Additionally, the fact that Minos has already laid waste to the surrounding area and burned the merchant vessels in the harbor suggests that he is a formidable and potentially dangerous opponent, further increasing the suspense for the reader.
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