Which of the following macromolecules is a protein?
(a) Glycogen
(b) Insulin
(c) Keratin
(d) Cholestrol
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Macromolecules are a protein Glycogen.
Therefore, option A is the correct answer.
Explanation:
Fats and oils are usually made up of fatty acids and glycerol.
Proteins are a class of macromolecules that can perform a diverse range of functions for the cell.
They help in metabolism by providing structural support and by acting as enzymes, carriers or as hormones.
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