Bio 260 Practice Exam Cell

Bio 260 Practice Exam Cell - Bio 260 Practice Exam Cell...

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Bio 260 Practice Exam Cell circle the single best answer for each question 1. Which of the following are cellular components? a. plasma membrane b. articulations c. cytosol d. epinephrine e. a and c 2. What is the role of an enzyme? a. It slows reaction down so that the back end of the reaction can catch up. b. It helps the coxal to shake. c. It helps increase the rate of a chemical reaction. d. It cools down the reaction. e. It binds CO 2 3. ATPase is an enzyme. a. true b. false 4. Osmolarity depends on? a. E = mc 2 b. proteins c. glucose d. the number of particles in solution ( the amount of stuff) e. the alpha helix 5. Determine which of the following contributes more to the osmolarity. a. 4 glucose b. 2CaCl 2 c. 3NaCl d. 1MgCl 2 e. 3CaCl 2 6. Tonicity is: a. The ability of a solution to change the shape and the volume of a cell b. The ability to create a concentration gradient c. The ability to change the osmolarity d. The ability to regulate glucose e. The ability cross the plasma membrane
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7. If a cell is placed in a hypotonic solution it will:
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Bio 260 Practice Exam Cell - Bio 260 Practice Exam Cell...

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