Question

question 20 of 22
what kind of macromolecule is shown below?

a. nucleic acid
b. lipid
c. water
d. carbohydrate

Explanation:

• Nucleic acid: Composed of nucleotides (sugar - phosphate - nitrogenous base). The structure shown does not match this.
• Lipid: Generally have long hydrocarbon chains or rings. The structure here does not fit the typical lipid structure.
• Water: \(H_2O\) is a small molecule, not a macromolecule.
• Carbohydrate: Often have a formula \(C_n(H_2O)_n\), and many have multiple hydroxyl (\(-OH\)) groups. The given structure has multiple \(-OH\) groups and a ring structure typical of simple carbohydrates (monosaccharides).

Answer:

D. Carbohydrate