What macromolecule is the primary source of energy for living

cells? (1 point)
Carbohydrate
Nucleic acids
Proteins
Lipids

5 answers

Carbohydrate
Which macromolecule serves as the main structural
component of cell membranes? (
Lipids

Carbon Hydrogen Oxygen Nitrogen Phosphorous
Carbohydrate
Protein
Lipid
Nucleic Acid
Phospholipid