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Lesson 11 - UNIT 2 - Quiz #3

Multiple Choice Questions: .

 1. The study of cellular structure and function is called
a. histology b. physiology c. mycology d. cytology e. biochemistry

 2. The theory of spontaneous generation was attacked and disproved by
a. Schleiden b. Schwann c. Hooke d. Pasteur e. all of the preceding

 3. A squamous cell would be _______ in shape.
a. flat b. cuboidal c. rectangular d. tapering e. disc-like

 4. As a cell increases in size
a. surface area increases faster than interior volume
b. interior volume increases faster than surface area
c. surface area and volume increase at the same rate

 5. To see as much interior detail of a cell as possible, one would use a _______ microscope.
a. light b. scanning electron c. transmission electron

 6. To see as much interior detail of a living cell as possible, one would use a _______ microscope.
a. light b. scanning electron c. transmission electron

 7. The supportive framework within a cell’s cytoplasm is called the
a. organelles b. cytoskeleton c. plasma membrane d. intracellular fluid

 8. Most of the portion of cell membranes that repel (exclude) water is composed of
a. phospholipids b. proteins c. carbohydrates d. nucleic acids

 9. In a typical membrane, _______ acts to solidify and “hold still” the otherwise fluid cell membrane
a. cholesterol b. phospholipids c. protein d. carbohydrate

 10. The proteins of cell membranes act as
a. receptors b. enzymes c. membrane gates d. carriers e. all of the preceding

 11. Many of the body’s hormones change the physiology of the cells that they target (attach to) through
a. the second messenger mechanism b. osmosis c. diffusion d. the glycocalyx

 12. The identification of your cells by your immune system which distinguishes them from bacteria and other foreign cells is through markers on the
a. membrane proteins b. glycocalyx c. membrane phospholipids d. membrane cholesterol

 13. The cellular surface extension that increases cell surface area is the
a. microvillus b. flagellum c. cilium

 14. The mucus secreted by the respiratory tract (deep in your lungs) comes up to your throat with attached dust and other debris through the action of the respiratory tract’s
a. cilia b. flagella c. microvilli

 15. Flagella are found
a. on sperm only b. in both males and females c. on cells lining the females oviducts d. both a and c


Essay Questions
1. Define each of the following processes vital for an understanding of cellular functioning:
    filtration, diffusion, facilitated diffusion, osmosis, active transport, pinocytosis and
2. Use the human body to provide and describe one instance of each of the processes defined

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