What is the primary reaction during nuclear fusion to stars?

Answers

Answer 1
This is what happens to the hydrogen gas in the core of the Sun. It gets squeeze together so tightly that four hydrogen nuclei combine to form one helium atom. This is called nuclear fusion. In the process some of the mass of the hydrogen atoms is converted into energy in the form of light.

Related Questions

What is the general shape of the graph?​

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answer: I need the picture if it gave you one, in order to find the answer

Please help me for this question...​

Please help me for this question...

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the answer is A, if not sorry

the light-harvesting photosynthetic processes occur in leaves in the light. does the light indpendent pathway of photosynthesis continue to occur for the entire 10 minutes when the leaf disks are placed in the dark enviroment?

Answers

No, the light-independent pathway of photosynthesis will not continue to occur for the entire 10 minutes when the leaf disks are placed in the dark environment because the production of ATP and NADPH, produced by the light-dependent reactions, will cease.

The light-independent reactions, also known as the Calvin cycle, require energy stored in ATP and NADPH produced by the light-dependent reactions.

If the leaf disks are placed in the dark, the light-dependent reactions will stop, and the production of ATP and NADPH will cease. As a result, the light-independent reactions cannot continue for the entire 10 minutes in the dark.

Without ATP and NADPH, the enzymes involved in the Calvin cycle will not be able to function and the carbon fixation process will stop. Therefore, the net rate of oxygen production by the leaf disks will decrease significantly after the first few minutes in the dark.

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plz answer asap 1st gets brainliest
7. Products like Tums neutralize stomach acid because Tums is a a. neutral. b. base. c acid. .​

Answers

Answer:

A base.

Explanation:

base+acid=neutral

In the context of tree-building, what do we mean when we say parsimonious?
a. Tree that is the correct hypothesis
b. Tree that considers how easily a trait can appear
c. Tree that is the easiest to understand
d. Tree that has the fewest changes to character

Answers

That implies that the best hypothesis for building a tree is the one that necessitates the fewest evolutionary changes. tree with the fewest character changes (option d).

What in psychology is frugal?

To be spare with words, praise, money, etc. is to be abnormally or very frugal. Although being quiet and being frugal are qualities that are typically admired and encouraged, others' frugalness can be annoying and referred to as "miserliness."

What exactly is a frugal relationship?

Parsimony in phylogenetic analysis refers to the notion that a relationship hypothesis that calls for the fewest character changes is more likely to be accurate. These character alterations are considered DNA mutations in molecular systematics.

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What 5 conditions need to be met for a population to be genetic equilibrium

Answers

In order to meet a genetic equilbrium, a population should:

1. Have no changes in the DNA sequence.

2. Be a very large population.

3. Perform random mating.

4. Have no migration movements taking place.

5. Have no natural selection occuring.

PLSS HURRY
The ice caps in the Antarctic and the Arctic

are a part of the geosphere/cryosphere/

biosphere

Answers

The answer is cryosphere

How does a decrease/decline in a top predator impact biodiversity in an ecosystem?

Answers

Answer:

The most obvious result of the removal of the top predators in an ecosystem is a population explosion in the prey species. ... When prey becomes more scarce, the predator population declines until prey is again more abundant. Therefore, the two balance each other. When the predators are removed, prey populations explode.

Method of transmission of blastomycosis dermatitidis

Answers

Both humans and animals can get systemically infected with blastomycosis dermatitidis. The fungus' spores are inhaled into the lungs, which causes infection.

It is possible for the yeast cells to spread to other organs like the skin, bones, and central nervous system once they enter the lungs and begin to thrive there. The characteristic of sickness are granulomas, which are collections of immune cells that encircle and attempt to contain the fungal cells. Although the pathophysiology of blastomycosis dermatitidis is complex and poorly understood, it is thought to be brought on by a variety of virulence factors, including adhesion molecules, body-produced enzymes, and components of cell walls. How the immune system responds to the infection is crucial in determining how the sickness will develop.

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What event changes an atom into an ion?

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Answer:the gain or loss of one or more electrons (B)

Explanation:

Why are senses necessary for behavior?

Answers

Answer: Senses are necessary for behavior because behavior is a response to an organism's environment. Without senses, the organism would be unable to sense anything in the environment to react to. Senses tell an organism what to avoid and what to interact with; they guide the organism's decisions. Even organisms with very simple senses have some way to detect changes in the environment that need to be reacted to.

how many hours will it take for a motor protein to transport another molecule a distance of 1 meter?

Answers

The motor protein will take approximately 1000 hours to transport another molecule at a distance of 1 meter.

What is a motor protein? A motor protein is a type of molecule that generates movement within cells, transporting molecules from one location to another. Kinesin and dynein are examples of motor proteins that are involved in the intracellular transport of organelles, proteins, and RNA.

The steps involved in intracellular transport are as follows: The motor protein attaches to the cargo at the beginning of the transport. The protein changes its shape and moves forward along the cytoskeleton, pulling the cargo behind it. The motor protein continues to move until it reaches its destination or until the transport is stopped.

Movement can be powered by a number of different energy sources, including ATP hydrolysis, proton gradients, and light. The motor protein will take approximately 1000 hours to transport another molecule at a distance of 1 meter.

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the muscle that causes the hair to stand on end when a person is scared or cold is known as the _____

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The muscle that causes the hair to stand on end when a person is scared or cold is known as the "arrector pili muscle."



The arrector pili muscles are small, involuntary muscles connected to hair follicles in mammals.

The muscle responsible for making hair stand on end when a person is scared or cold is called the arrector pili muscle.

When you are scared or cold, these muscles contract, causing the hairs to stand on end.

This response is also known as "goosebumps" or "piloerection."


Summary: The muscle responsible for making hair stand on end when a person is scared or cold is called the arrector pili muscle.

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Aerobic Respiration takes place in the _________.

A. molecules
B. mitochondrion
C. stomata

Answers

Answer:

B

Explanation:

The structure of the mitochondrion is key to the process of aerobic (in the presence of oxygen) cellular respiration, especially the Krebs cycle and electron transport.

B. mitochondrion

The reaction is called aerobic respiration because oxygen from the air is needed for it to work. Energy is released in the reaction. The mitochondria , found in the cell cytoplasm, are where most respiration happens.

Light/ Dark colored moths before and after the Industrial Revolution

Answers

Before the Industrial Revolution, the light colored moths had a higher chance of survivability because they were able to blend in with the tree barks. After the Industrial Revolution, the barks became dark. As a result, the dark colored moths had a higher chance of survival since they were able to blend in with the dark barks. This is known as Natural Selection.

PLEASEEEE HELP DOES ANYONE KNOW THIS ...

PLEASEEEE HELP DOES ANYONE KNOW THIS ...

Answers

Answer:

it is structural

Explanation:

it changed the shape of the camel's body through evolution.

plz give me brainiest!

Answer:

I think the 2nd answer choice

Explanation:

-results from immigration
-new genes brought into a population
-variation in a population increases

What do the notes describe?

Answers

discribes how and what was effected in what happened

all the characteristics of a prokaryotic cell

Answers

Answer:

Explanation:

Prokaryotes lack an organized nucleus and other membrane-bound organelles.

Prokaryotic DNA is found in a central part of the cell called the nucleoid.

The cell wall of a prokaryote acts as an extra layer of protection, helps maintain cell shape, and prevents dehydration.

The general trend that is shown on the graph is that average surface temperature on Earth
o has fallen by 0.4°C since 1880.
o has risen by nearly 1°C since 1880.
o dropped a fraction of a degree in 2000.
o rose sharply betuneen the tears 1900 and 1920​

The general trend that is shown on the graph is that average surface temperature on Earth o has fallen

Answers

Answer:

B

Explanation:

Answer: The answer is B. Has risen by nearly 1 degree C since 1880

Explanation: Edge2021

Sulfuric and nitric acids are ___ pollutants that form acid precipitation.

Answers

Answer:

ozone is bad because it can damage living tissue ... Sulfuric and nitric acids are ___ pollutants that form acid precipitation. secondary.

The carbon dioxide present in venous blood causes it to become slightly more basic than arterial blood. True or False.

Answers

The given statement "The carbon dioxide present in venous blood causes it to become slightly more basic than arterial blood." is true because carbon dioxide reacts with water in the blood to form carbonic acid, which dissociates into bicarbonate ions and hydrogen ions.

The excess bicarbonate ions in venous blood increase its pH level, making it slightly more basic than arterial blood. The Bohr effect plays a crucial role in regulating the body's acid-base balance and ensuring that vital organs such as the brain and heart receive enough oxygenated blood.


In summary, the presence of carbon dioxide in venous blood causes it to become slightly more basic than arterial blood due to the formation of bicarbonate ions. This is a natural and essential physiological process that helps maintain the body's acid-base balance and ensures adequate oxygen delivery to vital organs.

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hello people ~
what's a punnet square?​

Answers

Answer:

what's a punnet square?

The Punnett square is a table in which all of the possible outcomes for a genetic cross between two individuals with known genotypes are given. In its simplest form, the Punnett square consists of a square divided into four quadrants.All possible genotypes for the haploid female gametes are listed across the top, one genotype at the head of each column; and down the left side of the square, all of the possible genotypes for the haploid male gametes are listed, one per row

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Use evidence to explain the effects of draining a peatland on the ecosystem. Predict how these changes could affect global ecosystems if global temperatures continue to rise. Give specific examples to justify your prediction. Type your answer in the space provided.

Use evidence to explain the effects of draining a peatland on the ecosystem. Predict how these changes

Answers

The effects of draining a peatland on the ecosystem are support a wide variety of plant and animal species, drained for agriculture and other human activities,  changes in weather patterns and sea levels.

Describe draining a peatland?

Draining a peatland refers to the process of removing water from a peatland, which is a wetland ecosystem that is characterized by the accumulation of peat, a type of soil made up of partially decomposed plant material. Peatlands are found in many parts of the world, including bogs, fens, and mires.

Draining a peatland can have a significant impact on the ecosystem, as peatlands are unique habitats that support a wide variety of plant and animal species. When a peatland is drained, the water table drops, which can lead to the loss of wetland habitats and the species that depend on them. This can also lead to an increase in the amount of carbon dioxide released into the atmosphere, as the peat dries out and decomposes.

One specific example of this can be seen in the peatlands of Southeast Asia, which have been widely drained for agriculture and other human activities. This has led to the loss of habitats for unique species such as the Sumatran rhinoceros and the orangutan, as well as the release of large amounts of carbon dioxide into the atmosphere.

If global temperatures continue to rise, the effects of peatland drainage on global ecosystems could become even more pronounced. As temperatures increase, the rate of decomposition of peat will likely increase, releasing even more carbon dioxide into the atmosphere. This could contribute to further warming, potentially leading to the loss of even more habitats and species, as well as changes in weather patterns and sea levels.

In addition, the loss of peatlands as carbon sinks could exacerbate the effects of climate change. Peatlands store huge amounts of carbon and when drained, they release it into the atmosphere, contributing to global warming. Peatlands are also known to play an important role in the water cycle by reducing the risk of flooding and drought, the drainage of peatlands can disrupt these critical ecosystem services.

In summary, the draining of peatlands can have significant impacts on ecosystems, including the loss of habitats and species, disruption of the water cycle, and the release of large amounts of carbon dioxide into the atmosphere. If global temperatures continue to rise, these effects could become even more pronounced, potentially leading to the loss of even more habitats and species, changes in weather patterns, sea levels and overall destabilization of the ecosystem.

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what would happen to the membrane potential of a neuron if it were only permeable to potassium and you reduced the [K+] outside?

Answers

If a neuron were only permeable to potassium and you reduced the concentration of extracellular potassium ([K+]o), the membrane potential of the neuron would become more negative, a process known as hyperpolarization.

This happens because the equilibrium potential of potassium (EK) is more negative than the resting membrane potential of the neuron. In a resting neuron, the concentration of potassium is higher inside the cell than outside, creating an electrochemical gradient that favors the movement of potassium ions out of the cell.

This movement is opposed by the electrical gradient, which favors the movement of positively charged ions (such as potassium) into the cell, since the inside of the neuron is more negative than the outside.

The balance between these two opposing forces determines the resting membrane potential. When the extracellular concentration of potassium is reduced, the electrochemical gradient that favors the movement of potassium out of the cell becomes weaker.

As a result, more potassium ions will move out of the cell, making the inside more negative, and the membrane potential will become more hyperpolarized, moving further away from the threshold potential required for generating an action potential.

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A diploid individual with two identical alleles for a particular gene is said to be:.

Answers

Answer:

Homozygous for that gene.

Explanation:

A diploid individual with two identical alleles for a particular gene is said to be homozygous for that gene, but if the individual has different alleles he or she is said to be heterozygous for the gene.

PLEASE HELP!!!!!!!!!!

PLEASE HELP!!!!!!!!!!

Answers

Answer:

hydrogen bond formation

Write about two metals exist in the human body.

Answers

Answer:

metals such as iron and copper are essential to the human body. Iron is a mineral that the body needs for growth and development, it helps your red blood cells to carry oxygen throughout your body. Copper helps maintain your metabolism and strengthens your bones.  

Explanation:

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-cherry

Muscle relaxation in response to nitric oxide would be reduced if which of the following was present? Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer. a stimulator of cGMP phosphodiesterase b inhibitor of protein kinase A c inhibitor of acetylcholine esterase d stimulator of guanylate cyclase

Answers

A stimulator of cGMP phosphodiesterase would reduce muscle relaxation in response to nitric oxide. This is because nitric oxide stimulates the production of cGMP, which leads to muscle relaxation.

Muscle relaxation in response to nitric oxide occurs through the activation of the cGMP signaling pathway. The activation of guanylate cyclase leads to the production of cGMP, which activates protein kinase G and leads to the relaxation of smooth muscle cells.

Any factor that reduces the production or availability of cGMP will reduce the relaxation response.

Option A, a stimulator of cGMP phosphodiesterase, would break down cGMP and thus reduce its availability for activating protein kinase G.

Option B, an inhibitor of protein kinase A, does not affect the cGMP pathway and would not reduce muscle relaxation.

Option C, an inhibitor of acetylcholine esterase, would increase the levels of acetylcholine and may actually enhance muscle relaxation.

Option D, a stimulator of guanylate cyclase, would increase the production of cGMP and could enhance muscle relaxation.

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Invasive species often experience exponential growth in their new ecosystems due to the lack of limiting factors that may have existed in their native locale. Refer to the graph to help you contrast exponential and logistical growth. Which type of graph describes large populations that stabilize at carrying capacity?(1 Point)


exponential growth

logistical growth

Answers

Logistic population growth describes large populations that stabilize at carrying capacity.

What is Logistic population ?

A population is a collection of members of the same species that coexist in the same location. The population growth rate, which takes into account the population size, birth rate, and death rate, is a measurement of how a population changes over time. There will be a rise in the total number of people in a population over time, or a positive growth rate, as long as there are sufficient resources available. The majority of people, nevertheless, cannot expand indefinitely because they will ultimately run out of resources including water, food, sunshine, and space. Population growth will begin to decelerate as these resources start to become scarce. when a population's growth rate slows down as its size grows.

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Pls help!!!! Don’t just do it for the points pls help me.

A) rabbit and rat

B) snake and frog

C) lion and eagle

D) frog and bird

Pls help!!!! Dont just do it for the points pls help me.A) rabbit and ratB) snake and frogC) lion and

Answers

Answer:

D frog and bird

Explanation:

Both the frog and the bird prey on flys

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