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4 Written questions

3 Multiple choice questions

  1. A form of programmed cell death that generally benefits the organism.
  2. The key enzyme that cells use to replicate their DNA. In DNA technology, DNA polymerase is used in the polymerase chain reaction to make many copies of a gene or other DNA sequence.
  3. A three-step process in which damage to DNA is repaired. Damaged DNA is first recognizedthen removed, and then replaced with newly synthesized DNA.

3 True/False questions

  1. mismatch errorA pair of complementary nitrogenous bases that have formed hydrogen bonds with each other.

          

  2. complementary strandThe insertion of an incorrect nitrogenous base during DNA replication that is not detected and corrected.

          

  3. double helixA three-step process in which damage to DNA is repaired. Damaged DNA is first recognizedthen removed, and then replaced with newly synthesized DNA.

          

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