BIOLOGY HIGH SCHOOL

In eukaryotes, electron transport occurs in theA. inner mitochondrial membrane.
B. nucleus.
C. cell membrane.
D. cytoplasm.

Answers

Answer 1
Answer:

In eukaryotes, the electron transport occurs in the inner mitochondrial membrane.

The correct option is A;  inner mitochondrial membrane.

What is the electron transport chain?

An electron transport chain is a collection of protein complexes and other molecules that associate protons across a membrane with the transfer of electrons from electron donors to electron acceptors via redox processes.

The inner mitochondrial membrane of eukaryotic organisms houses the electron transport chain and the location of oxidative phosphorylation.

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Answer 2
Answer:

Answer:

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Explanation:

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Food enters the body through the mouth where it is mixed with digestive enzymes from the ____________. These enzymes begin the digestion of ______________ into _______________. The bolus is propelled to the pharynx by the tongue. The ___________ closes over the _________ upon swallowing to protect the respiratory tract from food particles.
1. In your body, why do muscle cells and skin cells look and behave differently? (Points : 1) They have different genes. Their genes are being expressed differently. The same genes are being expressed in both types of cells. There is no similarity in their chromosomes. Question 2. 2. Which genes are present in your liver cells? (Points : 1) All your genes are present in your liver cells. Only the genes needed by your liver cells are present in those cells. Half the number of genes is present in your liver cells.
Why are marriages between blood relatives prohibited in the united states and other countries?
Which type of muscle is used primarily for voluntary actions?a. skeletal b. smooth c. cardiac d. both b. and c.
One difference between cell division in plant cells and in animal cells is that plant cells have A)centrioles.B)centromeres.C)a cell plate.D)chromatinI need also some information/examples about this :)

Which statement accurately describes the function of a hormone produced by the adrenal glands?A. Epinephrine widens the air passageways in the lungs.
B. Norepinephrine regulates blood volume and pressure.
C. Cortisol causes the heart rate and blood pressure to rise.
D. Aldosterone helps control metabolism of carbohydrates, fats, and proteins.
im thinking a

Answers

The question says,'which statement accurately describe the function of a hormone produced by the adrenal glands? The correct option is C. Cortisol produced by the adrnal gland is called the stress hormone because it coordinates many change that occur in the body in response to stress. This include control of heart rate and blood pressure.

Wy does the speed of sound depend on air temperature?

Answers

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Which structure of the excretory system in humans is responsible for converting ammonia into urea?

Answers

The organ that does this is the Liver. It turns the ammonia which is poisonous into urea which is not poisonous. It also cleanses blood and removes other toxins from our organisms.

Which structure of the excretory system in humans is responsible for converting ammonia into urea?

The organ that does this is the Liver.

There are two types of cell division. The first (A) produces cells that are identical to the original cell. The second (B) produces cells that are different from the original cell. Which type of cell division do you think is the responsible for these processes

Answers

Answer:

A - mitosis

B - Meiosis

Explanation:

Mitosis is also referred to as equational division or division of vegetative or somatic cells. This type of cell division leads to the production of cells that are genetically identical to the parent cell.

Meiosis is also referred to as reductional cell division or the division of sex cells. The daughter cells have half of the genetic component of the parent cell. Exchange of chromosomal materials takes place between non-sister chromatids during meiosis and this ensures that the daughter cells become genetically different from their parent cell.

Hence, (A) is mitotic cell division while (B) is meotic cell division.

Why are nutrients from fertilizer harmful to aquatic ecosystems? They cause an increase in fish populations. The increase in algae population reduces oxygen in the water. They can infect plants, which causes animals and humans to become sick. Fish and other organisms grow too large and can no longer live in the ecosystem.

Answers

The nutrients from fertilizers are harmful to aquatic ecosystems because they increase the algae population which reduces oxygen in the water. This phenomena is called an algae bloom and results in the loss of oxygen in the water. With the subsequent decline in oxygen within the water animal life is often hurt and many species can be killed. This phenomena of algae blooms and harm of the aquatic system can occur both in fresh and saltwater environments. 

Nutrients from fertilizers, such as nitrogen and phosphorus, can be harmful to aquatic ecosystems primarily because they promote excessive growth of algae and aquatic plants. Hence option b "The increase in algae population reduces oxygen in the water" is correct.

This excessive growth is known as eutrophication. The process unfolds as follows:

Nutrient Input: Fertilizers with nitrogen and phosphorus are often utilized in residential and agricultural settings. These nutrients may be introduced into surrounding water bodies by runoff from these locations.

Algal Blooms: Nutrients function as fertilisers for algae and aquatic plants, causing algal blooms. Algal blooms are therefore created as a result of the fast growth in the population of algae. These blooms can completely cover the water's surface, turning it green or murky.

Oxygen Depletion: The process of decomposition consumes oxygen when the algae and aquatic plants die and degrade. An higher need for oxygen results from the large amount of organic material from the deceased organisms. As a result, the amount of dissolved oxygen in the water may decrease.

To know more about eutrophication:

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One reason why people should be aware of the impact of their actions on the environment is that

Answers

There is a nature law every actions has reaction. So when human being impact the environment in any way such as pollution, global warming etc., environment results to rise in the sea level or increase of disease that results to the death of the human beings.

What is environment?

Environment is defined as a sum total of all the non-living or living elements and their effects that influence human life.

Protect our water supply and keep our air cleaner and awareness in the people is only way to protect the environment. Other main important method to protect the environment is reuse, reduce, recycle.

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if someone is aware of their actions on the environment that gives them the opportunity or the ability to change what their actions are there for bettering the environment
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