14 FROG NERVE-MUSCLE 2007

14 FROG NERVE-MUSCLE 2007 - How does a muscle fiber...

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Final Exam, 8-9 Lecture UTC 2.112, Friday, May 11, 2-5 pm
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Final Exam, 9-10 Lecture JES A121A, Monday, May 14, 2-5 pm
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Final Exam, 2-3 Lecture BUR 106, Thursday, May 10, 2-5 pm
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Two major types of muscle A. Smooth B. Striated a. skeletal b. cardiac
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My knowledge about striated muscle I know the structure: A, I bands, Z lines I know the sliding filament hypothesis, the cycling of actin and myosin I know how muscle relaxes I understand how muscle contractions are controlled by nerves (motor units) I know what twitch and tetanus mean
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I know A. All of this B. Most of this C. Some of this D. None of this
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Set-up for the experiment
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Unformatted text preview: How does a muscle fiber contract? How does the nerve command the contraction? How does a muscle fiber relax? How is smooth, graded force generated in a muscle? The length-tension relationship What is the switch for muscle fiber contraction? A. ATP B. Myosin C. Actin D. Ca ++ Why does skeletal muscle relax? A. the action potential is over and the muscle fiber returns to its resting membrane potential B. Ca ++ is sequestered into the SR C. muscle runs out of ATP D. an inhibitory neurotransmitter is released that causes the muscle to relax....
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This note was uploaded on 11/10/2008 for the course BIO 206L taught by Professor Unknown during the Spring '08 term at University of Texas at Austin.

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14 FROG NERVE-MUSCLE 2007 - How does a muscle fiber...

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