Question

where do the lipids and proteins constituting the cell membrane get synthesised​

Answer 1

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Lipids and proteins constituting the cell membrane are synthesized in the endoplasmic reticulum. SER (Smooth endoplasmic reticulum) helps in the manufacturing of lipids. RER (Rough endoplasmic reticulum) has particles attached to its surface, called ribosomes. These ribosomes are the site for protein synthesis.

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Answer 2

Lipids are synthesized in SER and priti sare synthesized in RER.