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Anna [14]
2 years ago
15

The most important factor in decreasing the intracellular concentration of calcium ion after contraction is

Biology
1 answer:
Veseljchak [2.6K]2 years ago
8 0

Answer:

Active transport of calcium into the sarcoplasmic reticulum.

Explanation:

  • The sarcoplasmic reticulum (SR) is a membrane-bound structure found within muscle cells that is similar to the endoplasmic reticulum in other cells. The main function of the SR is to store calcium ions (Ca2+)
  • In response to an action potential traveling along the t tubule, voltage-sensitive proteins change shape, opening calcium channels in the adjacent terminal cisterns of the sarcoplasmic reticulum.
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