BIOM 525 Lecture 1-2: Skeletal And Smooth Muscle Complete Solutions Graded A+
BIOM 525 Lecture 1-2: Skeletal And Smooth Muscle Complete Solutions Graded A+ Skeletal muscle striated/striped appearance, actin/myosin, Ca++ binds to troponin, stimulated by somatic motor neurons, CA++ comes from SR Smooth muscle smooth appearance, actin/myosin, CA++ binds to calmodulin, stimulated by autonomic neurons, hormones, or other chemicals, CA comes from extracellular fluid Fasicles, fibers, myofibril, parts of muscle Sarcomere functional unit Actin and Myosun cross-bridges myosin heads bound to actin Powerstroke myosin pulls on actin Cross-bridge requires ATP (ATP must bind to myosin for the cross-bridge to detach, and energy is used for the powerstroke
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Liberty University
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BIOM 525
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- March 20, 2023
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- biom 525 lecture
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biom 525 lecture 1 2 skeletal and smooth muscle complete solutions graded a
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biom 525 lecture 1 2 skeletal and smooth muscle
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biom 525 lecture 1 2 skeletal