3.-Of the following human cells, which one has an endowment of 2n= 46? A) Spermatid.
B) Spermatogonium.
C) Secondary spermatocyte.
D) First polar body.
E) Second polar body.
#PSU

Correct Smooth endoplasmic reticulum

Endoplasic reticulum is a membrane system that form a sac like structure in the cytoplasm of the eukaryotic cell. It is of two type rough endoplasmic reticulum and smooth endoplasmic reticulum

Rough endoplasmic contains ribosomes on their surface that’s why called as rough endoplasmic reticulum.

Smooth endoplasmic reticulum play an important role in lipid synthesis . In liver cells sooth endoplasmic reticulum contains enzymes that detoxify harmful drugs and metabolic by-products.

It play an important role in synthesis and storage of lipid including cholesterol and phospholipids.