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Murrr4er [49]
3 years ago
12

Of the energy consumed by humans around the world, the greatest proportion comes from

Biology
1 answer:
lesya [120]3 years ago
5 0
Producers...........
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sarcoplasmic reticulum deteriorates and ATP production is stopped

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Rigor mortis is the third stage of death characterized by stiffening of joints and muscles in body. The stiffening occurs because muscles are not able to return to the relaxed state. There are two reasons for rigor mortis, depletion of ATP and increase in calcium concentration in cytosol. Due to these factors the actin-myosin crossbridge is not able to break and the muscles remain in contracted state.

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