Which Statement About DNA and RNA Is Correct

question 20

Multiple Choice

Which statement about DNA and RNA is correct?

• A) DNA is single-stranded, and RNA is double-stranded.
• B) The sugar in DNA is ribose, and in RNA the sugar is deoxyribose.
• C) RNA has a helix shape; DNA does not.
• D) The base uracil is unique to RNA and the base thymine unique to DNA.
• E) DNA is a nucleotide polymer while RNA is a carbohydrate polymer.

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