Multiple choice

Which atoms are in fats, proteins, DNA, and carbohydrates? (Choose the most complete answer!)

  1. C, H, N, O

  2. C, H

  3. C, H, O

  4. C, H, N, O, S

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Carbohydrates and fats are primarily composed of carbon, hydrogen, and oxygen. Proteins and DNA also contain nitrogen, but C, H, and O are the fundamental building blocks present in all four categories.