Animal Quiz 2 - Animal Quiz 2 Zoology 152-2 Spring 2009 1...

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Animal Quiz 2 Zoology 152-2 Spring 2009 1. Which of the following enzymes does not typically break down macromolecules into absorbable forms? a. Lipase b. Pepsin c. Carboxypeptidase d. Aminopeptidase e. Every enzyme listed typically breaks down macromolecules into absorbable forms. 2. If the extracellular voltage of a hypothetical neuron is 100 mV, and the inside voltage is 40 mV, what is the membrane potential of the cell? a. +100 mV b. +60 mV c. +40 mV d. -40 mV e. -60 mV 3. Which of the following accounts for the one-way movement of an action potential along an axon? a. Closing of K+ channels during the depolarization phase b. Opening of Na+ channels during the depolarization phase c. Opening of K+ channels during the repolarization phase d. Inactivation of Na+ channels during the repolarization phase e. None of the choices accounts for the one-way movement of an action potential. 4. All of these statements describe innate immunity except: a. It helps activate acquired immunity. b. It exhibits immunological memory.
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This note was uploaded on 04/23/2009 for the course BIO 151 taught by Professor Grinblat during the Spring '08 term at University of Wisconsin.

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Animal Quiz 2 - Animal Quiz 2 Zoology 152-2 Spring 2009 1...

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