Question

multiple choice question
cytokines are what type of molecule?

protein

lipid

carbohydrate

Explanation:

Cytokines are small proteins (or glycoproteins) that are involved in cell signaling, especially in immune responses. Lipids are fats/oils and carbohydrates are sugars/starch, which don't match the nature of cytokines. So the correct answer is Protein.

Answer:

A. Protein