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- 1. Multiple Choice
Which eukaryotic cell cycle event is missing in binary fission?
cell growth
DNA duplication
mitosis
cytokinesis
- 2. Multiple Choice
Attachment of the mitotic spindle fibers to the kinetochores is a characteristic of which stage of mitosis?
prophase
prometaphase
metaphase
anaphase
- 3. Multiple ChoiceAn organism’s traits are determined by the specific combination of inherited _____.cellsgenesproteinschromatids
- 4. Multiple ChoiceThe fusing of Golgi vesicles at the metaphase plate of dividing plant cells forms what structure?cell plateactin ringcleavage furrowmitotic spindle
- 5. Multiple ChoiceThe mitotic spindles arise from which cell structure?centromerecentrosomekinetochorecleavage furrow
- 6. Multiple ChoiceAt which of the cell cycle checkpoints do external forces have the greatest influence?G1 checkpointG2 checkpointM checkpointG0 checkpoint
- 7. Multiple ChoiceThe chromosomes become visible under a light microscope during which stage of mitosis?prophaseprometaphasemetaphaseanaphase
- 8. Multiple ChoiceThe first level of DNA organization in a eukaryotic cell is maintained by which molecule?cohesincondensinchromatinhistone
- 9. Multiple ChoiceIf the M checkpoint is not cleared, what stage of mitosis will be blocked?prophaseprometaphasemetaphaseanaphase
- 10. Multiple ChoiceWhat is the main prerequisite for clearance at the G2 checkpoint?cell has reached a sufficient sizean adequate stockpile of nucleotidesaccurate and complete DNA replicationproper attachment of mitotic spindle fibers to kinetochores
- 11. Multiple ChoiceUnpacking of chromosomes and the formation of a new nuclear envelope is a characteristic of which stage of mitosis?prometaphasemetaphaseanaphasetelophase
- 12. Multiple ChoiceSeparation of the sister chromatids is a characteristic of which stage of mitosis?prometaphasemetaphaseanaphasetelophase
- 13. Multiple Choice
Identical copies of chromatin held together by cohesin at the centromere are called _____.
histones
nucleosomes
chromatin
sister chromatids
- 14. Multiple ChoiceMany of the negative regulator proteins of the cell cycle were discovered in what type of cells?gametescells in G0cancer cellsstem cells
- 15. Multiple ChoiceChromosomes are duplicated during what stage of the cell cycle?G1 phaseS phaseprophaseprometaphase
- 16. Multiple ChoiceA diploid cell has_______ the number of chromosomes as a haploid cell.one-fourthhalftwicefour times
- 17. Multiple ChoiceWhich is the correct order?C,D, B, A, F, ED,A,F,C,E,BB,E,C,F,A,DC,B,D,A E,F
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