Question:
Sugar present in DNA is:
Sugar present in DNA is:
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DNA sugar: β-D-2-deoxyribose; RNA sugar: β-D-ribose.
Updated On: Jun 26, 2026
- β-D-2-ribose
- β-D-2-deoxyribose
- α-D-2-ribose
- α-D-2-deoxyribose
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The Correct Option is B
Solution and Explanation
Step 1: Recall DNA sugar.
DNA contains deoxyribose sugar, which lacks an -OH group at the 2' carbon compared to ribose.
Step 2: Beta configuration.
The sugar in DNA is β-D-2-deoxyribose.
Step 3: Alpha configuration.
The α-anomer is not present in DNA nucleotides.
Step 4: Conclusion.
\[ \boxed{\text{Sugar in DNA = β-D-2-deoxyribose}} \]
DNA contains deoxyribose sugar, which lacks an -OH group at the 2' carbon compared to ribose.
Step 2: Beta configuration.
The sugar in DNA is β-D-2-deoxyribose.
Step 3: Alpha configuration.
The α-anomer is not present in DNA nucleotides.
Step 4: Conclusion.
\[ \boxed{\text{Sugar in DNA = β-D-2-deoxyribose}} \]
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