← Chapter 12 part 1 Test
4 Written Questions
3 Multiple Choice Questions
- The structure of DNA, in which two long strands of covalently bonded nucleotidesare held together by hydrogen bonds and
twisted into a spiral coil.
- A substance or energy source that alters DNA.
- 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.
3 True/False Questions
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.
mismatch error → A substance or energy source that alters DNA.
DNA repair → A pair of complementary nitrogenous bases that have formed hydrogen bonds with each other.