correct answer is B: endoplasmic reticulum
What is endoplasmic reticulum ?
Endoplasmic reticulum is a network of membrane inside a cell through which proteins and other molecule move .
The endoplasmic reticulum is like factory conveyer belt . It helps to transport material within the cell . It provide rote to deliver drugs bypassing the acid pH , hydrolytic environment of the lysosome. It synthesis and transports , protein folding , lipid ,carbohydrate metabolism and calcium storage .
correct answer is B: endoplasmic reticulum
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