Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN: 9780134580999
Author: Elaine N. Marieb, Katja N. Hoehn
Publisher: PEARSON
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During contraction, where does the calcium that binds to troponin come from
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- What is Myesin?arrow_forwardDiscuss how calcium is a signaling molecule that causes the contraction of the sarcomere. This discussion should include the molecular mechanisms of tricep contraction. A ▾ B I √ C I U Ꭶ C X₂ C !!! x² Il = = E lılıarrow_forwardIn bending in the binding of the myosin head of the free binding site of the actin filament results in the contraction of the musclearrow_forward
- Tension generated in muscle fiber when the sarcomere length is 2 microns ....... tension generated in a muscle fiber when the sarcomere length is 2.25 microns. greater than less than equal toarrow_forwardFor a skeletal muscle to remain rigidly contracted, it needs a continual supply of ATP. Yet, when a skeletal muscle runs out of ATP (in a corpse), it becomes rigid. How can you explain this seeming paradox? Explain how skeletal muscle may remain relaxed even if ATP levels are high.arrow_forward
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