- A Deoxyribose
- B Glucose
- C Ribose
- D Fructose
Correct answer: C. Ribose
Explanation: RNA contains ribose sugar. DNA contains deoxyribose (lacks an oxygen at the 2' carbon). This difference makes DNA more stable.
Concept context
Carbohydrates, proteins, lipids, nucleic acids, and enzyme kinetics. Essential foundation for understanding metabolism.