3 .all of the following about endoplasmic reticulum is true except; A, Consists of two parts, rough and smooth. B.Rough ER contains ribosomes. C.Smooth ER is a site of synthesis of fatty acids and...

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Extracted text: 3 .all of the following about endoplasmic reticulum is true except; A, Consists of two parts, rough and smooth. B.Rough ER contains ribosomes. C.Smooth ER is a site of synthesis of fatty acids and steroids D .lt is present in prokaryote cell only.