chapter 11

chapter 11 - Why do muscles shorten? 10/26 This will not be...

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Unformatted text preview: Why do muscles shorten? 10/26 This will not be on the Monday test directly, but parts may have been covered previously in CH 5-9. What is the sliding filament theory of contraction? How are myofibers organized? What is the structure and function of actin, myosin and troponin? Why do we see striations when we look through a light microscope? What limits the degree of shortening in a sarcomere? What is a muscle twitch? How does a muscle create All or None and Graded responses? What are the phases of muscle contraction? The Sliding Filament Theory describes how two proteins called actin and myosin interact to shorten sarcomeres and the muscle to generate force. THE BASICS: Myosin tails and the Myosin Head- Thick filaments- Thin Actin and troponin- Function of Calcium and troponin- The function of ATP- Ratchet Action and shortening: What happens during rigormortis? Microscopic view of skeletal muscle How do these parts create a contraction?create a contraction?...
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This note was uploaded on 04/17/2008 for the course BIOL 211 taught by Professor Wilson during the Fall '07 term at Winona.

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chapter 11 - Why do muscles shorten? 10/26 This will not be...

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