Question

Where do lipids and proteins constituing the cell membrane get synthasised

Answer 1

rough endoplasmic reticulum is where cell membrane proteins are synthesized.

lipids are two types phospholipids and sphingosine based lipids

phospholipid sybthesis in SER
SPHINGOLIPIDS- GOLGI.

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Answer 2

SMOOTH ENDOPLASMIC RETICULUM is divided into two:

Rough Endoplasmic Reticulum:It is rough due to the ribosomes attached to its surface and is responsible for protein synthesis.

Smooth Endoplasmic Reticulum:It is smooth due to the absent of ribosomes and is responsible for lipids synthesis.