Unlike DNA, RNA A. contains nitrogenous bases. B. pairs uracil with adenosine instead of thymine. C. has deoxyribose as the sugar within its nucleotide components. D. contains two strands wrapped in a helix.

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Mckinney

Biology

16 September, 19:24

Unlike DNA, RNA A. contains nitrogenous bases. B. pairs uracil with adenosine instead of thymine. C. has deoxyribose as the sugar within its nucleotide components. D. contains two strands wrapped in a helix.

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Sammy Hurst · Answer 1

B. Pairs uracil with adenine instead of thymine.

RNA contains 4 bases, cytosine, guanine, adenine and uracil. It does not contain thymine, and hence, uracil pairs with adenine. DNA has thymine instead of uracil and thus pairs thymine with adenine.