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wolverine [178]
3 years ago
11

PLEAe help mE ASAP ASAP

Biology
2 answers:
joja [24]3 years ago
8 0
Organ system is the answer
nalin [4]3 years ago
4 0
Organ system is answer
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A total of _____ amino acids compose the majority of protein in living things and nine are _____ to human
Evgen [1.6K]

A total of <u>20</u> amino acids compose the majority of protein in living things and nine are <u>essential</u> to human.

  • All living organisms, from bacteria to people, depend on amino acids for survival.
  • The same 20 types of amino acids are present in all living things.
  • Only 21 amino acids are required by the human body to create all the proteins required for growth and function.
  • Your body can create thousands of different types of proteins with only the same 21 amino acids because they can be ordered in a wide variety of ways.
  • The body is unable to produce essential amino acids. They must therefore originate from food.
  • Histidine, isoleucine, leucine, lysine, methionine, phenylalanine, threonine, tryptophan, and valine are the nine essential amino acids.

learn more about amino acids here: brainly.com/question/1201532

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8 0
2 years ago
TRUE or FALSE
kaheart [24]
1)TRUE
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3)FALSE
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7 0
3 years ago
10 pc
ra1l [238]

Answer:

Students who take a PE class and who will be eating sugary snacks before PE.

Explanation:

The control variable (or control group) is an experimental element which is constant or unchanged throughout the course of the experiment.

The option "students who take PE class and who will be eating sugary snacks before PE" will remain unchanged and constant because the whole point of the experiment is to see the effects on students performance in PE after eating sugary snacks.

Hope this helps :)

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3 years ago
What is true of a substrate?
Ksivusya [100]

It acts as a reactant in a chemical reaction.

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What do you think might affect the rate at which enzyme catalyze reaction in your body? Why?
Verdich [7]
Drastic change in pH or temperature because the enzyme reaction may become denatured.
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