In RNA, cytosine always pairs with which base?

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Study for the Biochemistry Module 6 Exam. Study with flashcards and multiple choice questions; each question includes hints and explanations. Gear up to ace your test!

Multiple Choice

In RNA, cytosine always pairs with which base?

Explanation:
In RNA, bases pair in a complementary way that provides stability to the structure. Cytosine pairs with guanine because their chemical groups align to form hydrogen bonds, typically three of them, creating a strong C–G pairing. In RNA, thymine is replaced by uracil, which pairs with adenine instead. So cytosine’s partner is guanine.

In RNA, bases pair in a complementary way that provides stability to the structure. Cytosine pairs with guanine because their chemical groups align to form hydrogen bonds, typically three of them, creating a strong C–G pairing. In RNA, thymine is replaced by uracil, which pairs with adenine instead. So cytosine’s partner is guanine.

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