In an in vitro motility assay, a newly discovered motor protein is found to transport an attached bead along a microtubule away from the end where fluorescent labeled tubulin dimers assembled. Which of the following are true? Select all that apply The motor protein is transporting the bead towards the minus end The motor protein is transporting the bead towards the plus end The motor protein belongs to the dynein family The motor protein belongs to the kinesin family

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Muscle Action

A change in the body or a bodily organ as a result of its functioning is referred to as an action. Muscle action can be defined as the specific movement of a bodily part generated by the contraction of a muscle. The muscle proteins actin and myosin are the important contractile proteins involved in muscle action. Muscle contraction, in addition to movement, serves several other important functions in the body, including posture, heat generation, and joint stability. Muscle contraction maintains posture, which includes standing and sitting.