Hey, I need help with these questions please:

Hey, I Need Help With These Questions Please:

Answers

Answer 1

Answer:

D

Explanation:


Related Questions

The magic word is:

A) Ostoma

B) cristae

C) chemiosmosis

D) chromosome

E) aneuploidy

F) gene

G) meristem

H) zygote

Answers

Answer:

What is this off of, can you give me more information so I can help you

Explanation:

helppppp mee now asap wright a good explaination plsss if you cant then dont help​

Answers

Answer:

Jupiter would be the tennis ball.

Explanation:

Jupiter has a diameter of about 88,695 miles (142,800 kilometers) which is more than 11 times the diameter of Earth. It's volume is over 1,300 times the volume of Earth. This means that Jupiter is so big that over 1,300 Earths could fit inside of it.

Answer:

jupiter is the tennis ball

Explanation:

since jupiter's radius is 43,441 mi plus, Jupiter is 11 times wider than Earth. If Earth were the size of a nickel, Jupiter would be about as big as a basketball.

which type of organism can use photosynthesis to make food

Answers

Answer:Plants

Plants, algae, and a group of bacteria called cyanobacteria are the only organisms capable of performing photosynthesis (Figure 1). Because they use light to manufacture their own food, they are called photoautotrophs (literally, “self-feeders using light”).

Explanation:

Answer:

All plants with green leaves, from the tiniest mosses to towering fir trees, synthesize, or create, their own food through photosynthesis. Algae, phytoplankton, and some bacteria also perform photosynthesis. Some rare autotrophs produce food through a process called chemosynthesis, rather than through photosynthesis.

Describe DNA replication. Include all relevant aspects. When does this process occur? and why

Answers

Replication is the process by which a double-stranded DNA molecule is copied to produce two identical DNA molecules. DNA replication is one of the most basic processes that occurs within a cell. ... To accomplish this, each strand of existing DNA acts as a template for replication.

What are the 4 steps of protein synthesis?

Answers

Answer:

In every eukaryotic cell, such as plants and animals, there is DNA in the nucleus. The nucleus is an area surrounded by a membrane (nuclear membrane) which has some pores for materials to enter and exit, but these are controlled.

The DNA is the cell's instructions, it is a series of code that can be transcribed and translated to make proteins. As in the image below DNA is a series of bases attached to a sugar phosphate backbone and bonded to another base pair to made a ladder, this ladder is twisted making the shaped called a double helix . There are four base pairs: Adenine (A), Thymine (T), Guanine (G), and Cytosine (C).

The bases have bases they bond to making complementary base pairs , A and T bond together while the C and G bond together. on each strand of DNA one end is labelled 5' (read as 5 prime) and other end is the 3'. The 5' end base pairs of one strand are always attached to the 3' end of the complementary strand. Labelling the ends helps us to describe in which direction DNA is read.

Since the DNA cannot leave the nucleus , copies of the section needed to make the protein are made, this is called transcription.

This done by first opening the double helix with an enzyme called DNA Helicase. Another enzyme called RNA polymerase will match new bases to the original DNA attaching them in a long strand of mRNA. When the enzyme reaches the end the strand will be removed and the DNA can close.

five (5) kidney diseases their symptoms and their effect​

Answers

Answer:

Kidney failure occurs when your kidneys lose the ability to sufficiently filter waste from your blood. Many factors can interfere with your kidney health and function, such as:

toxic exposure to environmental pollutants or certain medications

certain acute and chronic diseases

severe dehydration

kidney trauma

Your body becomes overloaded with toxins if your kidneys can’t do their regular job. This can lead to kidney failure, which can be life-threatening if left untreated.

Usually, someone with kidney failure will have a few symptoms of the disease. Sometimes no symptoms are present. Possible symptoms include:

a reduced amount of urine

swelling of your legs, ankles, and feet from retention of fluids caused by the failure of the kidneys to eliminate water waste

unexplained shortness of breath

excessive drowsiness or fatigue

persistent nausea

confusion

pain or pressure in your chest

seizures

coma

Symptoms of early-stage kidney disease may be difficult to pinpoint. They’re often subtle and hard to identify. If you experience early signs of kidney disease, they may include:

decreased urine output

fluid retention that leads to swelling in limbs

shortness of breath

A sudden loss of blood flow to your kidneys can prompt kidney failure. Some conditions that cause loss of blood flow to the kidneys include:

a heart attack

heart disease

scarring of the liver or liver failure

dehydration

a severe burn

an allergic reaction

a severe infection, such as sepsis

High blood pressure and anti-inflammatory medications can also limit blood flow.

When your body can’t eliminate urine, toxins build up and overload the kidneys. Some cancers can block the urine passageways, such as:

prostate (a most common type in men)

colon

cervical

bladder

Other conditions can interfere with urination and possibly lead to kidney failure, including:

kidney stones

an enlarged prostate

blood clots within your urinary tract

damage to your nerves that control your bladder

Acute intrinsic kidney failure can result from direct trauma to the kidneys, such as physical impact or an accident. Causes also include toxin overload and ischemia, which is a lack of oxygen to the kidneys.

The following may cause ischemia:

severe bleeding

shock

renal blood vessel obstruction

glomerulonephritis

Hope this helps, have a nice day/night! :D

una característica que se puede observar o medir sin cambiar la composición de la materia es una propiedad química ¿cierto o falso ?​

Answers

Answer:

Falso, una propiedad química cambia no solo su apariencia, sino que la cambia por completo. Por ejemplo, la madera sigue siendo madera hasta que la pones al fuego y QUÍMICAMENTE se convierte en col. =)

Explanation:

the location where the restriction enzyme “cuts” is called a..

Answers

Restriction site or target sequence

why could the formation of a hole in the ozone layer cause concern?​

Answers

Answer:

Because it can damage the protective layer in the earth's atmosphere, therefor causing a risk of high damage from meteorites and asteroids.

Explanation:

The formation of a hole in the ozone layer would cause concern because it increases the amount of ultraviolet rays that reach Earth and can harm it's inhabitants.

Hey, I need help with these questions please:

Answers

Answer:

I think letter A po.. HEHE not sure

Answer:

micronutrients or trace elements are involved in the maintenance of protein structure

What is the characteristic of tropical rainforest?

Answers

Answer:Hey buddy

Explanation:

The tropical rainforest biome has four main characteristics: very high annual rainfall, high average temperatures, nutrient-poor soil, and high levels of biodiversity (species richness)

Bacterial and viral infections of the brain are rare because the ________ prevents most viruses, proteins, and bacteria from entering the cerebrospinal fluid.

Answers

Answer:

blood-brain barrier

Explanation:

The brain is well protected against microbial invasion by cellular barriers, such as the blood-brain barrier (BBB) and the blood-cerebrospinal fluid barrier (BCSFB). In addition, cells within the central nervous system (CNS) are capable of producing an immune response against invading pathogens.

What is the genetic makeup of offspring resulting from mitosis?

A. They are genetically identical to the parent cell.
B. They have half as many chromosomes as the parent cell.
C. They have twice as many chromosomes as the parent cell.
D. They share half their genes in common with both parents.

Answers

A. That good answer

Answer:

Mitosis means the offspring is identical! So answer is A!

Choose all options that apply. Which of the following medications are considered high-alert medications? | a) Heparin b) Insulin c) Ibuprofen d) Penicillin

Answers

Answer:

Insulin

Pls mark as brainliest answer if it helps you

Are humans a dead end host for streptococcus pneumonia?

Answers

Streptococcus pneumoniae is a major human pathogen responsible for enormous global morbidity and mortality. Despite this, the pneumococcus makes up part of the commensal nasopharyngeal flora.

Streptococcus is a bacterium of a genus that includes the agents of souring of milk and dental decay, and hemolytic pathogens causing various infections such as scarlet fever and pneumonia.

What is the chemical name of K2O? (correct answer gets brainliest)

A) potassium oxygen
B) potassium oxide
C) oxygen potasside
D) oxygen potassium

Answers

Answer:

A because K is potassium

B Potassium Oxide is known as K2O

Hope this helps you

Which chemical produced by the burning of fossil fuels causes acid rain?
Water
Nitric oxide
Carbon dioxide
Phosphatys

Answers

Answer:

it's carbon dioxide good luck.

The molecule is illustrated in figure ________.
A) is a saturated fatty acid B) stores genetic information
C) will be liquid at room temperature D) is a carbohydrate

Answers

The molecule is illustrated in the figure is an unsaturated fatty acid. These molecules are liquid at room temperature (Option C).  It is for that reason that unsaturated fatty acids are called oils.

The unsaturated fatty acids are liquid at room temperature, thereby they are known as oils (they are mainly found in plant fats).

The unsaturated fatty acids have one or more double bonds of carbon to carbon atoms.

Conversely, saturated fatty acids are solid at this temperature and do not have double bonds (they are mainly found in animal fats).

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What would most likely happen to a person who is not getting enough essential amino acids in his or her diet?
The body would synthesize the amino acids.
Muscle growth and repair would be limited.
Stored protein would break down.
The formation of proteins would increase

Answers

Answer:

Muscle growth and repair would be limited.

do you think carbon sinks can ever completely reverse global warming, why or why not?

Answers

Answer:

Explanation:

Framed in this way, the problem of climate change becomes not one of simply producing greenhouse gas, but how quickly we do so when compared with the Earth’s natural ability to soak it up again. And it makes that natural ability – the continuing capacity of forests and oceans to act as carbon sinks – as significant a factor in deciding the likely course of rising temperatures in the near future as intended controls on our greenhouse gas emissions. Yet many people are unaware of this side of the carbon balancing equation. And if they are, they take it for granted – they expect that forests and oceans and other carbon sinks will continue to act as our environmental get-out-of-jail-free card.

Or, more accurately, our go-to-jail-slightly-slower card. While sinks have managed to grab about half the carbon released as human pollution in recent centuries, the rest steadily accumulates in the atmosphere. The forests and oceans simply can’t suck it in fast enough. At the last count, atmospheric levels of carbon dioxide registered almost 412 parts per million (ppm) and rising. That’s a 47 per cent jump since the beginning of the industrial age, when the concentration was near 280 ppm, and an 11 per cent rise since just 2000, when it was near 370 ppm. Without our natural carbon sinks working to buffer the impact, that figure would probably be closer to 700ppm today.

It makes sense, then, that the future behavior of Earth’s massive carbon sinks – and specifically the question of whether they will continue to bail us out by taking in carbon dioxide – is a key topic of research for scientists. How will tropical forests respond to warmer temperatures? Will ocean currents continue to carry carbon to the depths? What happens to the pace of climate change if the carbon-catching capacity of these sinks weakens?

1.__________prepare their own food and _______Depend on other organisms for their food.
2.Producers are also called are also called ------ and consumers
3. _____helps the producers trap the energy in sunlight​

Answers

Answer:

1. autotrophs or plants and heterotroph or animals

2. a producer is an autotroph

3.Chlorophyll

Explanation:

A consumer is a heterotroph and a producer is an autotroph. Both are organisms that obtain energy from other living things

(i hope it helps)

which of the following can cause polyploidy
A : a single egg fertilized by two sperm
B: a diploid egg being fertilized by a normal sperm
C: a normal egg being fertilized by a diploid sperm
D : all of the above ​

Answers

Explanation:

a polypiody is a condition that has more than 2 sets of chromosomes. common in plants..

Choose which assumption must be made in order for this estimate of broad-sense heritability to be correct.

a. The phenotypic variance of the genetically identical plants is the same as the genetically variable population.
b. The genetic variance component is strictly the result of additive genetic variance.
c. The environmental variance of the genetically identical plants is the same as that of the genetically variable population.
d. There is no phenotypic variance associated with the environment.

Answers

The assumption 'environmental variance of the genetically identical plants is the same as that of the genetically variable population' is CORRECT. It is used to estimate the variation due to genetic factors.

Heritability (h2) refers to the proportion of the variability of a given phenotypic trait due to genetic factors.

Broad-sense heritability is affected by genetic and environmental factors.

Broad-sense heritability can be estimated as H² = VG/VP, where VG and VP represent genetic variability and phenotypic variability, respectively.

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Researchers identify a gene in cockroaches that is responsible for their ability of nerve regeneration. How might it be possible for this gene to be used in treating human paralysis?

Answers

This gene could be analyzed to determine its homology level with a human gene, which then could be restored in its normal expression. This strategy can restore the normal phenotype in defective human cells.

Sequence homology, which refers to the level of evolutionary relationship among genetic or proteins sequences, is a fundamental subject matter to determine gene function.

From this approach (sequence homology search), researchers can identify valuable genes involved in diseases in which the restoration of their normal expression levels can be used to restore the normal phenotype in defective cells.

In this case, the identification of a gene in cockroaches that is responsible for nerve regeneration could be used for subsequent identification of a human homologous gene sequence, which then can be restored in order to treat human paralysis.

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Why don't the hydrolytic enzymes Within lysosomes destroy each other?

Answers

Answer:

A lysosome is a membrane-bound cell organelle that contains digestive enzymes.  They break down excess or worn-out cell parts. They may be used to destroy invading viruses and bacteria. If the cell is damaged beyond repair, lysosomes can help it to self-destruct in a process called programmed cell death, or apoptosis.

Explanation:

Can Earth's human population increase indefinitely? *
*
A) yes, even though resources are finite
B) yes, because resources are infinite
C) no, even though resources are infinite
D) no, because resources are finite

Answers

Answer: D

Explanation: Humans need resources to survive, and eventually those resources will not be enough to provide for the population, meaning a population cap.

Hey, I need help with these questions please:

Answers

Answer:

its B synthesis

Explanation:

Unlike true organisms, viruses cannot synthesize proteins, because they lack ribosomes (cell organelles) for the translation of viral messenger RNA (mRNA; a complementary copy of the nucleic acid of the nucleus that associates with ribosomes and directs protein synthesis) into proteins.

Ans: Transporting.

That is the answer

Suggest an explanation for the evolution of the pigeon-like ancestor into the flightless dodo.

Answers

Answer:

It's ancestors were pigeon-like birds which flew to the island millions of years ago. There were no predators on the island. Gradually, the birds became much heavier, lost their ability to fly and evolved into the dodo.

Explanation:

Which color reflects heat radiation the best? Red

Blue

White

Answers

Answer:

White

Explanation:

What is the difference between diffusion and osmosis?
What makes a membrane semipermeable?
What characteristics of a molecule affect whether it can pass through the plasma membrane of a cell?
In the simulation, when protein molecules were evenly distributed on both sides of the membrane, was the solution isotonic, hypertonic, or hypotonic?
Which direction was water flowing?
In the simulation, when protein molecules were more highly concentrated on the inside of the cell than outside of the cell, was the solution isotonic, hypertonic, or hypotonic?
Which direction was water flowing?
Why is it important that the plasma membrane surrounding cells is semipermeable?
What would happen if it were not semipermeable?
1) Diffusion : Is the movement of molecules / ions from a region of higher to lower concentration. It may or may not occur across a semi permeable membrane.

In diffusion there is no challenge involved as it is along the concentration gradient, but in active transport movement of molecules occur against concentration gradient ie; from lower to higher concentration.

2) For active transport, energy is vital for movement, in this case protein molecules function as molecular pumps to enable the cell accumulate glucose/ions, against concentration gradient. Here metabolic energy ATP is required.

3)Facilitated diffusion is a type of passive transport in which ions/molecules cross the semi permeable membrane because permeases present in the membrane facilitate the transport.
Like simple diffusion facilitated diffusion doesn't require metabolic energy and simply occurs across the concentration gradient.

4) Osmosis : is movement of water from hypotonic solution (lower concentration) to hypertonic solution (higher concentration) through a semi permeable membrane.
The cell membrane being permeable to water allows to and from movement of water molecules along the concentration gradient.
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Your answers may vary, but these sample answers are a model to follow.

Diffusion is the process of a substance moving from an area of high concentration to an area of lower concentration. Osmosis is a type of diffusion where water moves across a semipermeable membrane still from an area of high concentration of water to an area of lower concentration of water. This corresponds to water moving from an area with a low concentration of solute to an area with a higher concentration of solute.
A semipermeable membrane allows some substances to pass through it.
The plasma membrane of a cell allows small uncharged molecules to pass through it, but not large molecules and not charged ions.
The protein molecules were evenly distributed on both sides of the membrane, so this solution was isotonic.
In an isotonic solution, water moves both in and out of the cell, which was observed in the simulation.
The protein molecules were more highly concentrated on the inside of the cell, so this solution was hypotonic.
In hypotonic solutions, water moves into the cell to help dissolve the higher amount of solute inside the cell, which was observed in the simulation.
A semipermeable cell membrane is important to allow some molecules, like proteins, to be more highly concentrated inside the cell than outside the cell. If the cell membrane were permeable, the molecules on the inside of the cell would exit the cell and be evenly distributed in the cell and in its environment.
If the cell membrane were not permeable at all, the cell would not be able to receive nutrients from its environment.

Answers

Diffusion and osmosis has one difference which is the presence of semi-permeable membrane.

What is the difference between diffusion and osmosis?

Diffusion is the movement of particles from an area of higher concentration to one of lower concentration while on the other hand, osmosis is the movement of particles from a semipermeable membrane.

Cell membrane is selectively permeable which only allows some molecules inside the cell because of its structure. So we can conclude that diffusion and osmosis has one difference which is the presence of semi-permeable membrane.

When protein molecules were evenly distributed on both sides of the membrane, the solution will be isotonic because of the same quantity on both sided. There is no movement of water in the body.

When protein molecules were more highly concentrated on the inside of the cell than outside of the cell, the solution will be hypotonic because of the less amount of water in the body.

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Answer:

- 1). Diffusion is the process of a substance moving from an area of high concentration to an area of lower concentration. Osmosis is a type of diffusion where water moves across a semipermeable membrane still from an area of high concentration of water to an area of lower concentration of water. This corresponds to water moving from an area with a low concentration of solute to an area with a higher concentration of solute.

- 2).

a). A semipermeable membrane allows some substances to pass through it.

b). The plasma membrane of a cell allows small uncharged molecules to pass through it, but not large molecules and not charged ions.

- 3).

a). The protein molecules were evenly distributed on both sides of the membrane, so this solution was isotonic.

b). In an isotonic solution, water moves both in and out of the cell, which was observed in the simulation.

- 4).

a). The protein molecules were more highly concentrated on the inside of the cell, so this solution was hypotonic.

b). In hypotonic solutions, water moves into the cell to help dissolve the higher amount of solute inside the cell, which was observed in the simulation.

- 5).

a). A semipermeable cell membrane is important to allow some molecules, like proteins, to be more highly concentrated inside the cell than outside the cell. If the cell membrane were permeable, the molecules on the inside of the cell would exit the cell and be evenly distributed in the cell and in its environment.

b). If the cell membrane were not permeable at all, the cell would not be able to receive nutrients from its environment.

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