Question

what is myosin ??????????

Answer 1

Myosin is a motor molecule that works to move the cell. This will result in a contraction and expansion movement. It works closely with a globular protein called actin that polymerizes to create actin filaments. Myosin is a special protein that converts adenosine triphosphate (ATP), a molecule that cells use in order to live and work, into mechanical energy (energy for work). This will then generate force and movement.

So how does this all work? As stated, myosin is closely connected with actin filaments. The actin are arranged parallel to one another with myosin, a thicker filament, interspersed between them. The myosin will literally walk along the actin, creating a contraction when the myosin and actin slide past one another. Sound confusing? Think about when you bend your finger or arm. By moving your arm, you are causing the thicker myosin to slide past the thinner actin, creating a contraction. The myosin and actin work together to move the skeletal muscle. These movements are also responsible for cleaving a cell in two during cell division.

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