Download Cell Cycle and Cancer Study Guide

Cell Cycle and Cancer Study Guide
Vocabulary:
Homeostasis
Benign
Chromosome
Spindle fibers
Somatic cell
Cancer
G1 Phase
Apoptosis
Mitosis
Centrioles
Cytokinesis
Cyclin
Tissue
G2 Phase
Malignant
Chromatid
Cell Plate
Centromere
Chromatin
Daughter cells
S phase
Cell Cycle
1. What are the phases of the cell cycle in order?
2. What are the 4 phases of mitosis in order?
3. What is the purpose of mitosis?
Interphase:
4. What are the 3 phases of interphase?
5. What occurs during interphase?
6. During what stage of interphase does the DNA replicate?
Prophase:
7. List the major events that occur in prophase.
8. Why does the DNA (chromatin) condense into chromosomes?
9. What is the purpose of centrioles?
10. What is meant by “sister chromatids”?
Metaphase:
11. What happens during metaphase?
12. What are the spindle fibers connected to on each chromosome?
13. What is the purpose of spindle fibers?
Anaphase:
14. What happens during anaphase?
Telophase/Cytokinesis:
15. List the major events that occur in telophase.
16. What is cytokinesis? When does cytokinesis occur?
17. How does cytokinesis differ in plant versus animal cells?
Cell Regulation
18. What controls the normal cell cycle?
19. Give an example of an internal signal to the cell.
20. Give an example of an external signal to the cell.
21. If cells are too closely packed, what happens?
22. What normally occurs to most cells that begin to divide uncontrollably?
23. Define cancer.
24. What is meant by a malignant tumor?
25. What is meant by a benign tumor?
26. Define metastasize.
27. Define carcinogen.
Cell Organization and Differentiation
28. What is the difference in a tissue, organ, and organ system?
29. What is meant by differentiation?
30. What is a stem cell?
31. Label each of the following cells with the correct stage of the cell cycle:
Multiple Choice Questions
(1)
Which phase of mitosis would be seen next?
(A)
(B)
(C)
(D)
(2) Mitosis is most important for a kitten’s
(A) vision (B) respiration (C) growth (D) metabolism
(3) A daughter cell that resulted from a mitotic division has 24 chromosomes. How many chromosomes
did the parent cell have?
(A) 5 (B) 12 (C) 2 4 (D) 48
(4) A bone cell of a goat contains 60 chromosomes. How many chromosomes will be in each daughter cell
after mitosis?
(A) 15 (B) 30 (C) 60 (D) 120
(5) A graph showing the time stages of the cell cycle is shown below.
According to the information on the graph, the S phase
(A) lasts only one hour (B) takes approximately 7 hours (C) is twice as long as the G1 phase
(D) takes half as much time as the G1 phase
(6) What is the correct sequence for plant mitosis?
(A) B, A, D, C (B) C, B, A, D (C) D, C, B, A (D) A, B, D, C
(7) What structure in plant cells is formed during cytokinesis that allows the cell to separate into two
new daughter cells?
(A) cell plate (B) spindle fibers (C) cleavage furrow (D) nuclear membrane