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Anatomy and Physiology Practice Test: Cells
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Anatomy and Physiology Practice Test: Cells
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25 Questions

1. Diffusion is always from areas of greater to areas of lesser concentration.
2. Riboswitches are folded RNAs that act as switches to turn protein synthesis on or off in response to _________.
3. Interstitial fluid represents one type of extracellular material.
4. The RNA responsible for bringing the amino acids to the ʺfactoryʺ site for protein formation is ________.
5. Some hormones enter cells via ________.
6. Nitric oxide may act as a biological messenger.
7. Which of the following would not be a constituent of a plasma membrane?
8. Which of the following statements is correct regarding diffusion?
9. Extracellular matrix is ________.
10. Which of the following is not a subcellular structure?
11. Only one cell type in the human body has a flagellum.
12. Which of the following statements is most correct regarding the intracellular chemical signals known as ʺsecond messengersʺ?
13. Which of the following is a function of a plasma membrane protein?
14. The orderly sequence of the phases of mitosis is prophase, metaphase, anaphase, and telophase.
15. Microfilaments are thin strands of the contractile protein myosin.
16. Which of the following is not a factor that binds cells together?
17. Final preparation for cell division is made during the cell life cycle subphase called G2.
18. The cell (plasma) membrane normally contains substantial amounts of cholesterol.
19. In the maintenance of the cell resting membrane potential ________.
20. Which transport process is the main mechanism for the movement of most macromolecules by body cells?
21. Which structures are fingerlike projections that greatly increase the absorbing surface of cells?
22. The genetic information is coded in DNA by the regular alternation of sugar and phosphate molecules.
23. Caveolae are closely associated with all but which of the following?
24. Mitochondria ________.
25. Mitosis ________.

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