Chapter 3 - cell_Test_form_1

Chapter 3 - cell_Test_form_1 - Test form 1 Instructions:...

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Test form 1 Instructions: Read each question carefully before answering. Work at a steady pace, and you will have ample time to finish. _____________________________________________ 1. The body system that distributes oxygen and nutrients to cells and carries carbon dioxide and wastes away from cells is the: a. respiratory system. b. cardiovascular system c. endocrine system. d. urinary system. e. integumentary system. 2. Which of the following best defines tissue? a. the basic structural and functional unit of an organism b. the molecules that form the body's structure c. a group of similar cells with a similar function d. a group of related organs with a common function e. the membranes that cover organs 3. Recycling of worn out organelles is accomplished by autophagy, which is carried out by: a. mitochondria. b. the Golgi complex. c. ribosomes. d. smooth ER. e. lysosomes. 4. Cells try to move sodium ions from the cytoplasm to the outside of the cell where the sodium concentration is 14 times higher than in the cytoplasm. This means sodium ions are moved out of the cells by: a. simple diffusion. b. facilitated diffusion. c. osmosis. d. active transport. e. exocytosis. 5. Carrier molecules within the plasma membrane are required in order
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a. osmosis. b. filtration. c. facilitated diffusion . d. simple diffusion. e. exocytosis. 6. The smallest functional unit of our bodies is:(This is not the same as above) a. The cell. b. The Molecule c. The macro molecule. d. The organelle e. The Atom. 7. Which of the following correctly lists the levels of organization from least complex to most complex? a. cellular, tissue, chemical system, organ, organism b. chemical, cellular, tissue, organ, system, organism c. tissue, cellular, chemical, organ, system, organism d. chemical, tissue, cellular, system, organ, organism e. organism, system, organ, tissue cellular, chemical 8. Which of the following would decrease the rate of diffusion across a membrane? a. increasing the rate of exergonic chemical reactions b. adding folds in the plasma membrane c. adding to the concentration on the outside d. splitting the diffusing substance into smaller units e. lowering the concentration on the outside 9. The system that plays the major role in regulating the volume and chemical composition of blood, eliminating wastes, and regulating fluid and electrolyte balance is the: a. respiratory system. b. cardiovascular system. c. endocrine system. d. urinary system. e. integumentary system. 10. The predominant lipids in the lipid bilayer of human plasma membranes are: a. phospholipids. b. glycolipids.
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This note was uploaded on 09/16/2009 for the course BISC BISC 206 taught by Professor Briston during the Fall '09 term at Ole Miss.

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Chapter 3 - cell_Test_form_1 - Test form 1 Instructions:...

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