click below
click below
Normal Size Small Size show me how
AP A Unit 7 Lesson 1
AP A Unit 7 Lesson 1 Key Terms
| Question | Answer |
|---|---|
| CDK (cyclin-dependent kinase) | a protein kinase that is active only when attached to a particular cyclin |
| crossing over | the reciprocal exchange of genetic material between nonsister chromatids during prophase I of meiosis |
| cyclin | a cellular protein that occurs in a cyclically fluctuating concentration and that plays an important role in regulating the cell cycle |
| gamete | a haploid reproductive cell, such as an egg or sperm, that is formed by meiosis or is the descendant of cells formed by meiosis |
| meiosis | a modified type of cell division in sexually reproducing organisms consisting of two rounds of cell division but only one round of DNA replication. It results in cells with half the number of chromosome sets as the original cell. |