Answer:
eukaryotic cells have a membrane-bound nucleus and prokaryotic cells do not.
Explanation:
Eukaryotes have many membrane-bound organelles while prokaryotes have no membrane-bound organelles.
Answer:
Sarcoplasmic Reticulum
Explanation:
Sarcoplasmic Reticulum (in muscle cells) is a modified form of Endoplasmic Reticulum located in other cells. Its primary function is to store and regulate the movement of intracellular Calcium ions during muscle contraction.
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