Moderate
The major functional difference between DNA and RNA is_____________?
Correct answer: B. DNA carries the information in all organizations
- A. RNA contains ribose
- B. DNA carries the information in all organizations
- C. DNA is localized in nucleus
- D. RNA does not contain thymine
Explanation
DNA is the stable repository of hereditary information in cellular organisms, whereas RNA mainly helps express that information through roles in protein synthesis. Ribose in RNA and uracil instead of thymine are chemical differences, not the major functional distinction being tested.
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