Answers

2015-11-07T15:02:56+05:30
 ER is a cell organelle which  works as a frame for the cell. It also serves as a passage for enzymes frm nucleus
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2015-11-07T20:07:17+05:30
Endoplasmic reticulum is present in all eukaryotic cells.It is a folded protein chain interlinked with each other.It is of two types:
Rough ER and smooth ER depending on the presence or absence of ribosomes 
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