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Why polystyrene is homopolymer?
Polystyrene is formed from only one monomer - styrene.
Are myosin filaments located in an A band?
Yes, myosin filaments are found in the A band of a sarcomere, which is a structural unit of a muscle cell. The A band contains both myosin and actin filaments and is located in the middle of the sarcomere.
Is actin and myosin a carbohydrate?
No, actin and myosin are not carbohydrates. They are proteins involved in muscle contraction.
Do Sarcomeres produce actin and myosin?
Sarcomeres do not produce actin and myosin. Actin and myosin are protein filaments that are found within sarcomeres and are responsible for muscle contraction. Sarcomeres contain organized arrangements of actin and myosin filaments that slide past each other during muscle contraction.
Which event causes cross bridge detachment?
The binding of ATP to the myosin head causes cross bridge detachment by disrupting the binding between myosin and actin. ATP provides the energy necessary for myosin to release from actin and reset for the next contraction cycle.
Polyphenyl is homopolymer or copolymer?
Homo
Why polystyrene is homopolymer?
Polystyrene is formed from only one monomer - styrene.
What protein makes up the thick filaments of myofibrils?
Myosin makes up the THICK filaments, and actin makes up the thin filaments of myofibrils.
What are the proteins are involved in muscle contraction?
Actin and myosin
What are the thick protein filaments in the cell made of?
The thick protein filaments in a cell are primarily made of a protein called myosin. Myosin filaments are involved in muscle contraction and various other cellular processes such as cell motility and cytokinesis.
What is the function of myosin?
Myosin is responsible for actin-based muscular mobility/contraction.
Binding of the myosin heads sequentially prevents what?
myosin crossbridge binding
The thick filaments of muscle fibers are composed of what?
Myosin
What does the release of ADP and P from the myosin head cause?
The release of ADP and P from the myosin heads causes the myosin heads to change shape.
What substances causes the myosin head to change shape?
ATP (adenosine triphosphate) is the main substance that causes the myosin head to change shape during muscle contraction. When ATP binds to the myosin head, it energizes the myosin molecule and allows it to detach from actin, resetting the myosin head for the next contraction cycle.
How do proteins actin and myosin interact to make a muscle contract?
Myosin and Actin
What are the two types of myofilaments?
The two filaments involved are myosin and actin. Actin: is the framework and slides over the myosin filament when the muscle is shortened. myosin: is a thick filament Also a sacromere: is made up of the actin and myosin. It is the functional unit of a muscle fibre and extends from z line to z line. A muscle contraction: is many sacromeres shortening ( actin sliding over myosin)
