Biology 15 Week Exam Review
1. What are the four phases of mitosis? ________________________________________________
2. What happens during prophase in mitosis?
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3. What happens during metaphase in mitosis?
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4. What happens during anaphase in mitosis?
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5. What happens during telophase in mitosis?
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6. What happens during cytokinesis in mitosis?
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7. What happens during the G1 phase of interphase?
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8. What happens during the S phase of interphase?
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9. What happens during the G2 phase of interphase?
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10. What does cell specialization mean?
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11. What do red blood cells specialize in doing?
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12. What do smooth muscle cells specialize in doing?
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13. What do epithelial cells specialize in doing?
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14. What is cancer? _________________________________________________________________
15. What causes cancer in cells?
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16. What problems does cancer cause in cells?
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17. Prokaryotic cells divide through (mitosis/binary fission), whereas eukaryotic cells divide through
(mitosis/binary fission).
18. Distinguish between DNA and RNA.
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19. What can cause genes to turn on/off?
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20. What is metastasis/metastasizing?
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21. Which stage is called the “checkpoint stage” and why?
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22. What is the “backbone” of DNA made of?
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23. What are the monomers (smallest unit) of DNA?
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24. The DNA of a human and a snail is made up of (the same/different) components.
25. The DNA of a human and a tree is made up of (the same/different) components.
26. The DNA of a human and a bacterium is made up of (the same/different) components.
27. What are the four nitrogen bases of DNA? ___________________________________________
28. Adenine always pairs with (guanine/cytosine/thymine).
29. Guanine always pairs with (adenine/cytosine/thymine).
30. Cytosine always pairs with (adenine/guanine/thymine).
31. Thymine always pairs with (adenine/guanine/cytosine).
32. Nitrogen bases are held together by (covalent/ionic/hydrogen) bonds.
33. Create 5 practice test questions below and see if your peers can correctly answer them:
a.
b.
c.
d.
e.