Question

which classes of macromolecules have a significant role in energy storage? (select all that apply) check all that apply proteins nucleic acids lipids polypeptides carbohydrates

Explanation:

Carbohydrates are the primary energy - source for cells and can be stored as glycogen in animals and starch in plants. Lipids, especially fats, store a large amount of energy per unit mass and are used for long - term energy storage. Proteins and nucleic acids have other main functions like catalysis, structure, and genetic information storage respectively, and polypeptides are chains of amino acids and are part of proteins.

Answer:

C. lipids
E. carbohydrates