Which of the following is NOT found in DNA?
BIOLOGY
SAT 2021
Which of the following is NOT found in DNA?
- A. Cytosine
- B. Ribose
- C. Deoxyribose
- D. Phosphate groups
Correct Answer: B. Ribose
Explanation
DNA and RNA are both made of sugar-phosphate backbones. Ribose is the sugar found in RNA; deoxyribose is the sugar found in DNA. DNA also contains the nucleic acid bases adenine, guanine, cytosine, and thymine. Both DNA and RNA contain phosphate groups as part of the backbone.
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