Nucleic Acid: Carries genetic information
Answer:
Carbohydrate: Used as main source of energy for a cell
Lipid: Can provide insulation
Protein:
1.Some are stringy and fibrous and provide support (i.e., collagen and keratin) 2.Help speed up cellular reactions
Amino Acid: Carries genetic information
Explanation: I'm the one who asked the question. I asked it, received an unhelpful answer, figured it out by myself but saw that I can't answer my own question so I made another account to answer this. hope it helps.