Question #6425204Single Choice

Biology

Question

Which of the following statements about the structure of DNA and RNA is true?

Options

A
    DNA is single-stranded, and RNA is double-stranded.
B
    DNA contains thymine, while RNA contains uracil.
C
    DNA and RNA both contain ribose sugar.
D
    DNA and RNA both use uracil as a nitrogenous base.

Answer & Analysis

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