Question

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Answer 1

Answer:

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The lipids and protein constituting the cell membrane gets synthesized in Endoplasmic Reticulum

Answer 2

Answer:

Lipids are synthesised in smooth Endoplasmic Reticulum.

Proteins are synthesised in Rough Endoplasmic Reticulum.

Difference between Rough and Smooth Endoplasmic Reticulum is that Rough ER has Ribosomes attaches on its outer surface that are absent in smooth.