Cell: The Unit of LifeMedium
Question
Smooth endoplasmic reticulum $\_\_\_\_$.
Options
A.is actively involved in protein synthesis
B.is a site for the synthesis of carbohydrates
C.has ribosomes attached to its surface
D.is the major site for the synthesis of lipids
Solution
Sol. [Key Concept: Smooth ER — site of lipid synthesis]
The Smooth Endoplasmic Reticulum (SER) is responsible for synthesis of lipids as well as steroidal hormones. It is not associated with ribosomes and hence appears smooth.
Rough endoplasmic reticulum is actively involved in protein synthesis. Carbohydrate synthesis occurs in chloroplasts.
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