Which of the following macromolecules is matched with its correct role in the cell?
Choose 1 answer:
Choose 1 answer:

(Choice A)
A
Lipid — storage of short-term energy

(Choice B)
B
Lipid — chemical messenger

(Choice C)
C
Carbohydrate — key component of cell membrane (lipid bilayer)

(Choice D)
D
Nucleic acid — chemical messenger