Which cell organelle carries the functions of mechanical support, enzyme circulation, protein synthesis and detoxification of drugs?
A
Chromoplast
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B
Chloroplast
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C
Mitochondria
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D
Endoplasmic reticulum
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Solution
The correct option is D Endoplasmic reticulum The endoplasmic reticulum is a network of numerous branched membranes from nuclear membrane to plasma membrane which is extensively spread in the cytoplasm. It acts as endoskeleton of the cell due to which mechanical support is provided to the cell. Endoplasmic reticulum works as a circulatory and transporting system for the circulation of substances in the cell. Rough endoplasmic reticulum helps in protein synthesis because ribosomes are present on it. Smooth endoplasmic reticulum mainly synthesises lipids and helps in the detoxification of drugs. Thus option D is the correct answer.