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Yanka [14]
3 years ago
15

Which is composed of amino acids and determines all the structures and functions or organisms

Biology
2 answers:
Alexxx [7]3 years ago
8 0
The answer is protein because when amino acids combine together, they form protein cells.
Andrews [41]3 years ago
6 0
Protein because dna is made of nucleotide. Ribosome makes protein and proteins are made up of Amino Acids.
So the answer is Protein
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slamgirl [31]

Answer:

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Explanation:

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4 0
3 years ago
In fast-twitch oxidative-glycolytic fibers, their rapid increases in force rely on the ________ activity where rapid relaxation
Kitty [74]

Answer:

1. myosin ATPase

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Explanation:

ATPase activity of myosin head hydrolysis ATP and energize the myosin head. The energized myosin head forms cross bridges to facilitate the power stroke of muscle contraction. The fast-twitch oxidative-glycolytic fibers have the ability to produce ATP by aerobic respiration.  

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During their relaxation, Ca2+ ATPase pumps the calcium ions back to the sarcoplasmic reticulum. As the level of Ca2+ ions in the sarcoplasm decreases, calcium ions are released from troponin. Tropomyosin is allowed to cover the myosin-binding sites on actin and the muscle fiber relaxes faster.

4 0
3 years ago
A change in a sequence of DNA bases in a bacterial cell has resulted in a mutation. This mutation has increased the ability of t
Svetllana [295]

Answer:

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In times where nutrients are scarce, bacteria without the population will die off. But the bacteria with this mutation will be more likely to survive and pass on their genetic material. Therefore, over time, the frequency of this mutation will increase.

8 0
3 years ago
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Tom [10]
<span>a. True 

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3 years ago
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Bogdan [553]
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6 0
3 years ago
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