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stepladder [879]
3 years ago
5

Why does a human body need proteins?

Biology
2 answers:
a_sh-v [17]3 years ago
6 0
The answer is D. Proteins help with bodily functions
DIA [1.3K]3 years ago
4 0

Answer:

a

Explanation:

Every cell in the human body contains protein. The basic structure of protein is a chain of amino acids. You need protein in your diet to help your body repair cells and make new ones. Protein is also important for growth and development in children, teens, and pregnant women.

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There is a limit to how large any given population can grow. Which of the following statements best explains why a population mu
Mamont248 [21]

Answer:

The right answe is C.

Explanation:

The limit to how large any given population could be is defined by the concept of " carrying capacity". It refers to the fact that in nature populations grow much faster than resources do, and this impose a limit to population sizes (if there is no enough nutrition sources, the number of individual can not go up).

5 0
3 years ago
A scientist tracked the summer eating habits of brown bears. His results are shown in the graph below.
Alex787 [66]

Answer:

The answer will be there will be a constant maintenance of the reliance to 100%

Explanation:

This is mainly because the paradigm is shifting for the bears and not the scientist where the consumption ratio will be balanced to the same on a  daily basis ad therefore the percentages will remain constant without any kind of changes to it.

DONT HEZITATE TO GIVE BRAINLEST

6 0
3 years ago
Read 2 more answers
Precapillary sphincters will a. cause blood to flow directly from the metarteriole into the postcapillary venule. b. control blo
DanielleElmas [232]

Answer:

Option-E

Explanation:

Meta arteriole is a type of vessel present in the micro-circulatory pathway of the human body, which possesses characteristics of both the arteriole and the capillaries.

The structure of metarteriole usually connects the arteriole to the venules and they possess smooth muscle rings at the entrance of the vessel in the capillary and thus acts as a sphincter. This sphincter controls the flow of blood into the venules and capillaries.

The precapillary sphincters are usually closed but when the tissue needs the oxygen the sphincter opens and supplies the blood.

Thus, Option-E is correct.

3 0
4 years ago
Please help me!! PICTURE ABOVE!
7nadin3 [17]
Scientific Theory explains , Scientific law describes .
8 0
4 years ago
During which step (s) of aerobic respiration is oxygen used
-Dominant- [34]

Answer:

What stages of aerobic respiration needs oxygen to happen?

The Krebs cycle and the electron transport system

3 0
3 years ago
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