Suggest which among the following is not a function attributed to endoplasmic reticulum?
Correct answer: B. Digestion/egestion of foreign materials outside the cell
- A. Detoxification of poisons and drugs
- B. Digestion/egestion of foreign materials outside the cell
- C. Manufacture of fat and lipid molecules
- D. Biogenesis of membrane proteins
Explanation
The endoplasmic reticulum is involved in the detoxification of the poisons and the drugs. This is the main function of the endoplasmic reticulum in the liver. The manufacturing of the lipids and fat molecules take place in the smooth ER. The membrane proteins are synthesised on the ribosomes which are present on the surface of the ER. The digestion and egestion of the foreign materials which enter the cells take place in the lysosomes. Thus, the correct answer is option B.
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Animal, plant, prokaryotic and eukaryotic cells are compared through their membranes, cell walls, nuclei and cytoplasmic organelles. The work includes the structures and functions of mitochondria, chloroplasts, ribosomes, endoplasmic reticulum, Golgi apparatus and lysosomes, as well as chromosome organization and the distinction between chromatin and chromosomes.
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