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Test: MCAT Biology
8. | Which statement best describes the function of the enzyme DNA helicase? |
It prevents excess twisting of the DNA during replication.
It begins replication of the leading strand during DNA synthesis.
It proofreads the newly synthesized DNA for errors.
It links nucleotide subunits together.
It opens and unwinds the DNA double helix by disrupting the hydrogen bonds.
Thomas
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