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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 duplication, or copying, of a DNA molecule. DNA replication begins when the hydrogen bonds connecting the two strands of DNA are broken, causing the strands to unwind and separate. Each strand is then used as a template for the construction of a new strand of DNA.
  3. The sequence, or order, in which the nitrogenous bases adenine (A), cytosine (C), guanine (G), and thymine (T) are arranged in a gene or a DNA fragment, or in an organism's genome.

3 True/False questions

  1. mutagenA form of programmed cell death that generally benefits the organism.

          

  2. DNA polymeraseThe 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. mismatch errorA substance or energy source that alters DNA.

          

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