According to the cross-bridge model of muscle contraction, the muscles stiffen after death because ATP cannot bind and directly release the myosin head from the actin filament.
<h3>What is myosin?</h3>
Myosin and actin are two essential proteins in muscle cells that interact during muscle contraction.
Adenosin Triphosphate (ATP) is a key high-energy molecule required during muscle contraction that binds to myosin and whose hydrolysis enables to produce movement.
In conclusion, according to the cross-bridge model of muscle contraction, the muscles stiffen after death because ATP cannot bind and directly release the myosin head from the actin filament.
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Answer:
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Explanation:
Answer : on a general note reading involves several brain functions, including visual and auditory processes, phonemic awareness, fluency, comprehension, and more. The same neurological regions of the brain are stimulated by reading about something as by experiencing it.
The most effective thing he can do to start making physical fitness a priority is to replace one passive activity with one physical activity each day.
Instead of just sitting in front of the computer or TV screen, maybe he could do a quick exercise just to get in shape a bit.