The carbohydrate "Ribose" present in DNA, is Choose the correct answer from the options given below:
- A, D and E Only
- B, D and E Only
- A, C and D Only
- A, B and E Only
Answer
(3) A, C and D Only
Solution
DNA sugar = -D-2-deoxyribose.
A: 5 carbons, pentose (true). B: five-membered ring, furanose (false).
C: D-configuration (true). D: ring opens to free -CHO, reducing (true).
E: anomeric form is (false).
Answer: (3)