← Chapter 12 part 1 Test
4 Written Questions
3 Multiple Choice Questions
- 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.
- 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.
- The insertion of an incorrect nitrogenous base during DNA replication that is not detected and corrected.
3 True/False Questions
complementary strand → The insertion of an incorrect nitrogenous base during DNA replication that is not detected and corrected.
double helix → A three-step process in which damage to DNA is repaired. Damaged DNA is first recognizedthen removed, and then replaced with newly synthesized DNA.
DNA repair → A pair of complementary nitrogenous bases that have formed hydrogen bonds with each other.