During muscle contraction, myosin cross bridges attach to active sites of ACTIN FILAMENTS.
Why would it be necessary to attach a manometer to the hypsometer
During Metaphase the protein strands that attach to the centromere region are called spindle fibres.
the correct answer is bone.
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it happens because it helps to keep the beaker stable with no shaking
myosin
actin (thin) filaments
During skeletal muscle contraction myosin cross bridges attach to active sites of actin filaments. Actin filaments bind ATP. Their growth is regulated by thymosin and profilin.
Myosin functions as an ATPase utilizing ATP to produce a molecular conformational change of part of the myosin and produces movement. Movement of the filaments over each other happens when the globular heads protruding from myosin filaments attach and interact with actin filaments to form crossbridges. The myosin heads tilt and drag along the actin filament a small distance (10-12 nm). The heads then release the actin filament and adopt their original conformation.
actin filaments
1. Muscles fibers with a large diameter develop more force, and have more myofibrils and more myosin heads that can attach to actin. The amount of force is dependent on the number of myosin heads attached to actin.
Actin and myosin
Myosin makes up the THICK filaments, and actin makes up the thin filaments of myofibrils.
The thick filament is composed of the myosin molecule. The thin filament is composed of the actin molecule. Flexing the head of myosin provides the powerstroke.
Myosin is responsible for actin-based muscular mobility/contraction.
is antagonized by the actions of myosin phosphatase
myosin crossbridge binding