4 Written questions
3 Multiple choice questions
- The insertion of an incorrect nitrogenous base during DNA replication that is not detected and corrected.
- A pair of complementary nitrogenous bases that have formed hydrogen bonds with each other.
- A substance or energy source that alters DNA.
3 True/False questions
DNA sequence → 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.
double helix → 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.