Download Cell Growth and Division (Ch 10) Test REVIEW

Name ________________________________________________
Cell Growth and Division (Ch 10) Test REVIEW
( Due on the day of the TEST. Be sure to write your answers on a separate sheet of paper to receive credit)
1.
2.
3.
4.
5.
6.
Where do cells come from?
Why do cells divide? Provide at least 3 reasons.
Define the cell cycle. Sketch a diagram to summarize cell cycle.
What are 2 major phases of the cell cycle?
Where in the cell cycle does the cell spend most of its time?
Interphase can be divided into 3 phases: G1, S, and G2. Describe what events are taking place in
each phase.
7. After the interphase, the cell enters____.
8. M phase consists of 2 overlapping processes: _______________ and ____________.
9. Define mitosis.
10. What are the 4 phases in mitosis? Describe the main events taking place in each phase.
11. Define cytokinesis.
12. How does cytokinesis differ in animal cells from plant cells?
13. Refer to the diagram on the right. During which
phases of mitosis would you be able to observe
duplicated chromosomes? Unduplicated?
14. When are the chromosomes duplicated?
15. Suppose you have a cell with 46 chromosomes.
How many sister chromatids does this cell have in
prophase and metaphase?
16. Mitosis results in genetically ________ daughter
cells. If the cell with 32 chromosomes divides
mitotically, the resulting cells will have______
chromosomes.
17. Suppose 2 cells divided mitotically; how many new cells did it produce?
18. How do prokaryotic cells divide? Name the type of division that occurs.
19. Briefly describe the events of binary fission.
20. What proteins regulate the cell cycle?
21. What is cancer?
22. List a few characteristics of cancer cells.
23. There are 2 major causes that can lead to cancer: genetics and environmental. Define each.
24. What is a p53 gene? What would happen to a cell if this gene was damaged/mutated?
25. Name a few carcinogens.
26. Define the following terms-: Chromatin, Chromatid, Chromosome, Histones, Nucleosome,
Centromere , Centrosomes, Centrioles, Spindle Fibers, Microtubules.
27. Identify the stages of mitosis in the pictures below. (Notice that not all cells are dividing in picture
#1). Also- place pictures #2-5 in the order that they would occur during cell division.
#1
#5
#4
#2
#3