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.
- A pair of complementary nitrogenous bases that have formed hydrogen bonds with each other.
- The structure of DNA, in which two long strands of covalently bonded nucleotidesare held together by hydrogen bonds and
twisted into a spiral coil.
3 True/False questions
DNA repair → A three-step process in which damage to DNA is repaired. Damaged DNA is first recognizedthen removed, and then replaced with newly synthesized DNA.
mismatch error → A substance or energy source that alters DNA.
DNA polymerase → 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.