Download Cellular Reproduction: Mitosis, Cytokinesis, and the Cell Cycle

Cellular Reproduction: Mitosis, Cytokinesis, and the Cell Cycle
MULTIPLE CHOICE QUESTIONS
1. How many cells in the human body die every second?
a. hundreds
b. millions
c. trillions
d. thousands
2. What are the two basic types of cells?
a. animal and plant
b. bacterial and fungi
c. prokaryotic and eukaryotic
d. interphase and metaphase
3. Which type of cell has small amounts of DNA, relative to human cells?
a. prokaryotic
b. fungi
c. plant
d. eukaryotic
4. What do prokaryotic cells spend a large amount of their time doing?
a. dividing
b. making new cell walls
c. producing nuclei
d. growing and replicating DNA
5. In prokaryotic cells, what is the process of cellular reproduction called?
a. interphase
b. mitosis
c. binary fission
d. deletion
6. Name the two major phases of the cell cycle for eukaryotic cells.
a. binary fission and fusion
b. interphase and mitosis
c. cytokinesis and telophase
d. mitosis and genotype
7. Which stage do cells often spend 90% of their time?
a. interphase
b. telophase
c. cytokinesis
d. binary fission
8. What does G1 stand for?
a. 1st growth
b. 1st genesis
c. 1st Gap
d. 1st genetic
9. What occurs at the restriction point?
a. cells evaluate their ability to divide
b. cells die
c. cells divide into two daughter cells
d. cells slow down growth
10. What is synthesized during the S phase?
a. synthase
b. enzymes
c. chromosomes
d. nucleolus
11. What component phases can interphase be divided into?
a. mitosis, cytokinesis and division
b. G1, S, G2
c. prophase, afterphase, metaphase
d. G1, G2, G3
12. What are the component phases of mitosis?
a. G1, S, G2, G3
b. prophase, afterphase, metaphase
c. G1, G2, G3
d. prophase, metaphase, anaphase, telophase
13. How are chromosomes arranged during interphase?
a. tightly coiled
b. circular
c. loose and extended
d. split
14. What disappears as the chromosomes become more visible?
a. nucleolus
b. genes
c. centrosomes
d. histones
15. What is the spindle?
a. collection of chromosomes
b. group of cell wall fragments
c. ribosomes
d. array of microtubules
16. As the spindle grows, what happens to the centrosomes?
a. disintegrate
b. duplicate
c. coil up
d. separate
17. During which phase do kinetochores engage in a tug of war?
a. metaphase
b. anaphase
c. telophase
d. interphase
18. What is the molecule that allows kinetochores to walk down the kinetochore microtubules?
a. dystrophin
b. dynein
c. kinetochorase
d. aminopeptidase
19. As telophase begins, what happens?
a. the spindle and the nuclear envelope disintegrate
b. the spindle disintegrates and the nuclear envelope reforms
c. the chromosomes uncoil
d. the nucleolus disappears
20. What proteins cause rings to form around the cell during cytokinesis?
a. dynein and cholesterol
b. aminopeptidase and polymerase
c. actin and myosin
d. carbohydrates and sugars
21. What structure is formed by the budding of vesicles during plant cytokinesis?
a. cell plate
b. fission line
c. plasma point
d. nucleus
22. What role does cell size play in cell division?
a. the smaller the cell, the more likely it is to divide
b. no role at all
c. only matters in plant cells
d. the larger the cell, the more likely it is to divide
23. What must be present for fibroblast cells to divide?
a. aminopeptidase
b. myosin
c. PDGF
d. RLDB
24. How long will cancer cells continue to divide, when nutrients are readily available?
a. forever
b. 50 to 100 times
c. 100 to 200 times
d. 20 to 30 times
25. What structure is shortened on a chromosome during duplication?
a. myosin
b. dynein
c. poly A tail
d. telomeres