The correct answer is d) proteins. Proteins are a group of organic macromolecules that serve various functions, including acting as enzymes and providing structural support in cells, and they always contain nitrogen in their amino acid building blocks.
The group of organic macromolecules that have roles including enzymes, and structural components in cells and always contain nitrogen are _______.
a
carbohydrates
b
nucleic acids
c
lipids
d
proteins
1 answer