Restriction Enzymes Cleave DNA at Specific Sequences by Hydrolyzing

question 35

Multiple Choice

Restriction enzymes cleave DNA at specific sequences by hydrolyzing

• A) the 3´ hydroxyl of one nucleotide and the 5´ phosphate of the next one.
• B) at the 1´ carbons to cleave the nitrogenous bases.
• C) at the 2´ carbons to cleave hydroxyl groups.
• D) two phosphodiester linkages on the same strand.
• E) four phosphodiester linkages, two on each strand.

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