Q57Long answer
Differentiate between rough and smooth endoplasmic reticulum. How is endoplasmic reticulum important for membrane biogenesis?
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The ribosomes, which are present in all active cells, are the sites of protein synthesis. Endoplasmic reticulum helps in transporting these proteins to various places. The smooth endoplasmic reticulum help in manufacture of fat and lipids which alongwith proteins help in building the cell membrane. Smooth Endoplasmic Reticulum Rough Endoplasmic Reticulum (SER) (RER) SER has no ribosomal particles on RER has particles of ribosome on the surface, hence look smooth the surface. Ribosomes are the SER helps in the manufacture of sites of protein synthesis. lipids and fat molecules