Endoplasmic reticulum provides a large surface inside the cell for various physiological activities. It is the site for all of the following exceptA Glycosylation of lipids and proteins B Synthesis of proteins C Detoxification of drugs D Synthesis and storage of glycogen, fat and steroids
Question
Endoplasmic reticulum provides a large surface inside the cell for various physiological activities. It is the site for all of the following exceptA Glycosylation of lipids and proteins B Synthesis of proteins C Detoxification of drugs D Synthesis and storage of glycogen, fat and steroids
Solution
The endoplasmic reticulum (ER) is involved in many cellular processes. However, it is not involved in the synthesis and storage of glycogen, fat, and steroids. These processes are primarily carried out in other parts of the cell. For instance, glycogen synthesis and storage occur in the liver and muscle cells, while fat synthesis and storage occur in adipose tissue. Steroid synthesis occurs in the mitochondria and smooth ER of certain cells, but the ER is not involved in their storage. Therefore, the correct answer is D: Synthesis and storage of glycogen, fat, and steroids.
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