its for the first onehypothesis
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Hopefully this will help and it's what you are looking for.
Answer:
Two proteins that are present inside the same cell perform different functions because both proteins have different amino acid composition.
Explanation:
Amino acid is the building blocks of protein. Different proteins perform different functions due to their composition. These proteins are formed by the instructions given to the ribosome of the cell.
The most concentrated source of stored energy is a molecule of "GLUCOSE"