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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. Chromatin consists of DNA and RNA.
2. The glycocalyx is often referred to as the ʺcell coat,ʺ which is somewhat fuzzy and sticky with numerous cholesterol chains sticking out from the surface of the cell membrane.
3. Only one cell type in the human body has a flagellum.
4. Diffusion is always from areas of greater to areas of lesser concentration.
5. In the maintenance of the cell resting membrane potential ________.
6. Most organelles are bounded by a membrane that is quite different in structure from the lipid bilayer of the plasma membrane.
7. Facilitated diffusion always requires a carrier protein.
8. Which of the following is not a subcellular structure?
9. The functions of centrioles include ________.
10. Microfilaments are thin strands of the contractile protein myosin.
11. Caveolae are closely associated with all but which of the following?
12. Interstitial fluid represents one type of extracellular material.
13. The genetic information is coded in DNA by the regular alternation of sugar and phosphate molecules.
14. Which of the following is true regarding the generation of a membrane potential?
15. Which transport process is the main mechanism for the movement of most macromolecules by body cells?
16. Peroxisomes ________.
17. Which of the following does not serve as a signal for cell division?
18. If cells are placed in a hypertonic solution containing a solute to which the membrane is impermeable, what could happen?
19. Which structures are fingerlike projections that greatly increase the absorbing surface of cells?
20. DNA replication ________.
21. Mitochondria ________.
22. Which of these is not a function of the plasma membrane?
23. Riboswitches are folded RNAs that act as switches to turn protein synthesis on or off in response to _________.
24. The cell (plasma) membrane normally contains substantial amounts of cholesterol.
25. Which of the following is a concept of the cell theory?

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