SER carries out all of the following activities, EXCEPT: a. lipid production
b. detoxification
c. connects RER to GA
d. produces RNA

The correct answer is - option D. produces RNA

Explanation:

SER or smooth endoplasmic reticulum is a membranous, tubular organelle present in most of the eukaryotic cells. These ER lacks the ribosome on their surface as rough ER.

The major functions of this organelles are to produce lipid, hormones, protein, steroids for the complete cell. SER also carries detoxification of the metabolic byproducts of the cell. It acts as a bridge or connector between RER to Golgi apparatus.

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