One of the additional functions of Smooth Endoplasmic Reticulum (SER) is
[amp_mcq option1=”protein synthesis” option2=”lipid synthesis” option3=”storage of biomolecules” option4=”detoxification of toxic substances” correct=”option4″]
This question was previously asked in
UPSC NDA-2 – 2018
The Smooth Endoplasmic Reticulum (SER) performs several key functions distinct from the Rough Endoplasmic Reticulum (RER), which is primarily involved in protein synthesis. These functions of SER include lipid synthesis (phospholipids, steroids), detoxification of drugs and poisons (especially in liver cells), metabolism of carbohydrates, and storage of calcium ions (critical for muscle contraction). Among the given options, detoxification of toxic substances is a well-established function of SER.
– RER has ribosomes on its surface and is involved in synthesizing and modifying proteins destined for secretion or insertion into membranes.
– SER lacks ribosomes and is involved in metabolic processes.
– Key functions of SER include lipid synthesis, detoxification, carbohydrate metabolism, and calcium storage.