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zoology 9 weeks

QuestionAnswer
1 Refer to the illustration above. Which structure immediately identifies this cell as a eukaryote? d. structure 4
2 Refer to the illustration above. The cell uses structure 3 d. to produce ATP.
3 Refer to the illustration above. The cell shown is probably an animal cell because it b. does not have a cell wall.
4 Refer to the illustration above. The cell in diagram 1 is in c. anaphase.
5 Refer to the illustration above. Mitosis begins with the stage shown in diagram d. 4.
6 Refer to the illustration above. The cell shown in diagram 5 is in b. telophase.
7 Refer to the illustration above. Which of the following correctly indicates the order in which these events occur? b. C, B, A, D
8 Refer to the illustration above. The process shown is c. meiosis.
9 Which of the diagrams above depicts a cell at the beginning of mitosis? c.
10 Which of the diagrams above depicts a cell at the end of meiosis I? c. D
11 Which of the diagrams above depicts a cell at the end of meiosis 2? b B
12. Which of the diagrams above depicts a cell at the end of mitosis? a. A
13. A microscope with a 4× objective lens and a 10× ocular lens produces a total magnification of b. 40×.
14. One difference between prokaryotes and eukaryotes is that d. prokaryotes do not have a nucleus.
15. cell : cell membrane :: b. nucleus : nuclear envelope
16. The packaging and distribution center of the cell is the b. Golgi apparatus.
17. A cell that requires a lot of energy might contain large numbers of c. mitochondria.
18. All the following are found in both plant and animal cells, except a. a cell wall.
19. How many chromosomes are in the body cells of an organism that has a haploid number of 8? d. 16
20. The phase of mitosis that is characterized by the arrangement of all chromosomes along the equator of the cell is called b. metaphase.
21. A structure within a eukaryotic cell that performs a specific function is called a(n) a. organelle.
22. One important organelle that helps maintain homeostasis by moving substances from one part of the cell to another is the a. endoplasmic reticulum.
23. The first three phases of the cell cycle are collectively known as d. interphase.
24. As a result of mitosis, each of the two new cells produced from the parent cell during cytokinesis b. receives an exact copy of all the chromosomes present in the parent cell.
25. The chromosomes shown in Figure 9-1 are in which state of mitosis? prophase
26. How is the alignment of chromosomes, shown in Figure 9-1, on the equatorial plate of the cell maintained? b. Tension between opposite spindle fibers pulls them there.
27. Which would be the result if the electron microscope had not been invented? c. Scientists would be unable to view different cell organelles.
28. A cell has 12 chromosomes. How many chromosomes will each daughter cell have? c. 12
29. The exchange of segments of DNA between the members of a pair of chromosomes b. acts as a source of variations within a species.
30. Which is a protein fiber that forms the cell’s supporting network? a. cytoskeleton
31. Plant cells have a large membrane-bound space in which water, waste products, and nutrients can be stored. This space is called the d. vacuole.
32. The more common name for an ovum is a(n) a. egg.
33. Which statement is a fundamental principle of the cell theory? c. Living organisms are composed of cells.
34. Which is present only in eukaryotic cells? d. nucleus
35. A scientist at the polar ice cap was studying an ice sample from hundred of meters below the surface. a cytoskeleton, mitochondrion, nucleus, cell wall, and ribosomes. What kind of organism did the scientist find? c. plant
36. An electron microscope can magnify an object about 500,000 times. How does this magnification compare with the magnification of a compound light microscope? d. 500 times higher
37. Which statement is true about bacterial cells? b. The cells have no nucleus.
38. Cilia and flagella are used to move cells through watery environments. What role do these cell parts play on stationary cells? b. They move substances along the surface of the cell.
39. Chloroplasts are organelles that convert light energy to sugars. These organelles are found only in plants. Which organelles are found only in animals? a. golgi apparatus c. mitochondria b. lysosomes
40. In a cell, proteins are made on the b. ribosomes.
Created by: user-1985245
 

 



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