- A 30%
- B 20%
- C 10%
- D 40%
Correct answer: B. 20%
Explanation: Chargaff's rule: A=T and G=C. If A=30%, then T=30%. Remaining 40% is split equally between G and C. So G=20%.
Concept context
Carbohydrates, proteins, lipids, nucleic acids, and enzyme kinetics. Essential foundation for understanding metabolism.