Endonucleases and Exonucleases Are Enzymes That Can Remove Nucleotides

question 1

Multiple Choice

Endonucleases and exonucleases are enzymes that can remove nucleotides.An endonuclease _______ while an exonuclease ______________.

• A)chews away at the 5' end of DNA;cuts DNA internally
• B)chews away at a 3' end of DNA;cuts the 5' end of DNA
• C)cuts DNA internally;chews away at the end of DNA
• D)adds nucleotides internally to DNA;adds nucleotides on the 3' and 5' ends of DNA

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