Which molecule has the sugar ribose?

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Study for the DNA History, Replication, and Protein Synthesis Test. Engage with flashcards and multiple choice questions, each with hints and explanations. Prepare for success!

Multiple Choice

Which molecule has the sugar ribose?

Explanation:
Ribose is the five-carbon sugar used in RNA. In RNA, each nucleotide has ribose with a hydroxyl group at the 2' position. DNA uses deoxyribose, which lacks that 2' hydroxyl (it has hydrogen there). That difference in the sugar is what distinguishes the two nucleic acids, so the molecule that contains ribose is RNA.

Ribose is the five-carbon sugar used in RNA. In RNA, each nucleotide has ribose with a hydroxyl group at the 2' position. DNA uses deoxyribose, which lacks that 2' hydroxyl (it has hydrogen there). That difference in the sugar is what distinguishes the two nucleic acids, so the molecule that contains ribose is RNA.

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