← Chapter 12 part 1 Test
4 Written Questions
3 Multiple Choice Questions
- A three-step process in which damage to DNA is repaired. Damaged DNA is first recognizedthen removed, and then replaced with newly synthesized DNA.
- A form of programmed cell death that generally benefits the organism.
- 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 True/False Questions
mutagen → A form of programmed cell death that generally benefits the organism.
mismatch error → A substance or energy source that alters DNA.
complementary strand → A strand of DNA whose sequence of bases can pair (according to base-pairing rules) with the sequence of bases found in a focal DNA strand.