Q: Which of these ions are abundant in the sarcoplasmic reticulum?
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A
Fascicles
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B
Sarcolemma
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C
Myofibrils
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D
Fascia
D
Answer:
D
Explanation:
The sarcoplasmic reticulum is a specialized type of endoplasmic reticulum found in muscle cells, specifically in the sarcoplasm, which is the cytoplasm of muscle cells. The sarcoplasmic reticulum is responsible for the storage and release of calcium ions, which are abundant in this organelle.
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