Answer:
When calcium concentration increases during depolarization, it shifts the conformation of troponin and tropomyosin, and actin is able to associate with myosin. As calcium is taken up again by the sarcoplasmic reticulum the muscle cell relaxes.
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Explanation:
Hi, there it's U-G-G
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light dependent reactions occur at the lumen of the thylakoids present in the chloroplast.
