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Unit 2 Stack Em's
A.P. Biology Cell Cycle
| Question | Answer |
|---|---|
| What is the difference between a prokaryotic genome and a eukaryotic genome? | Pro.- single long DNA moleculeEuk.- A number of DNA molecules |
| What are unwound versions of chromosomes called? | chromatin |
| How many chromosomes do humans have? | 46 |
| What is the center of a pair of sister chromatids called? | Centromere |
| Mitosis divides the ... And Cytokenesis divides the ... | Nucleus...cytoplasm |
| What are the phases of the cell cycle? | Prophase, Interphase(G1, S, G2), Metaphase, Anaphase, Telophase, Cytokenesis |
| Where does the assembly of microtubules start? | Centrosome |
| What is the centrosome also known as? | Microtubule-organizing center |
| True or false. Plants have centrosomes. | False. |
| True or False. The Mitotic phase is a large chunck of the cell cycle. | False, it is relatively short. |
| What does S stand for in the cell cycle? | Synthesis. |
| In what phase does the cell cleavage become prominent? | Cytokinesis |
| Which phase do the daughter chromosomes begin moving towards opposite poles? | Anaphase |
| What happens if a cell doesn't make the regulations at a cell checkpoint? | It gets held back into G0 phase |
| True or false. Cyclin is required for Cdks to become active. | True. |