Cross bridge formation: Difference between revisions
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Formation of [[Cross_bridge_formation|cross bridge]] is essential for muscle contraction and it dissociate repeatedly, so as to interdigitate thin filaments with thick filaments and shorten the [[Sarcomeres|sarcomeres]] so that muscle contraction occur. Cross bridge is formed from connections between the [[F-actin|F-actin]] of thin filaments and the [[Myosin|myosin]] heads of thick filaments. The myosin heads bind to the specific [[Actin|actin]] subunit. When it is<span style="line-height: 1.5em;"> in its high energy state, it change in shape that pull the thin filament and break its connection to the thin filament and links with another site farther along the thin filament towards the Z line.</span><ref>Jeff Hardin, Gregory Bertoni, Lewis J.Kleinsmith. Becker's World of the Cell. Eighth Edition.</ref> | |||
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Latest revision as of 12:01, 14 November 2015
Formation of cross bridge is essential for muscle contraction and it dissociate repeatedly, so as to interdigitate thin filaments with thick filaments and shorten the sarcomeres so that muscle contraction occur. Cross bridge is formed from connections between the F-actin of thin filaments and the myosin heads of thick filaments. The myosin heads bind to the specific actin subunit. When it is in its high energy state, it change in shape that pull the thin filament and break its connection to the thin filament and links with another site farther along the thin filament towards the Z line.[1]
Reference:
- ↑ Jeff Hardin, Gregory Bertoni, Lewis J.Kleinsmith. Becker's World of the Cell. Eighth Edition.