Which Statement About the Addition of a Nucleotide onto a Growing

question 165

Multiple Choice

Which statement about the addition of a nucleotide onto a growing nucleic acid is true?

• A) A hydrolysis reaction occurs between the last nucleotide in the chain and the new nucleotide.
• B) The phosphate on the added nucleotide attaches to the 5′ carbon atom of a sugar on the chain.
• C) The resulting bond between nucleotides is called a glycosidic linkage.
• D) Because of how each nucleotide is added to the chain, nucleic acids are said to grow in the 5′-to-3′ direction.
• E) A bond forms between the phosphate of the last nucleotide and the pentose sugar of the new nucleotide.

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