A) Rough ER
B) Smooth ER
C) Golgi bodies
D) Ribosome
Correct Answer: B
Solution :
Endoplasmic reticulum (ER) is of two types on the basis of presence or absence of ribosomes. (i) Rough ER: Ribosomes present, main function is synthesis of proteins. (ii) Smooth ER: Ribosomes absent, main functions are lipid metabolism, detoxification. Golgi body is composed of cisternae, vesicles and tubules. It processes, packages and helps in transport and release of seer etory proteins as well as intracellular enzymes. Glycosilation of lipid and protein also takes place here. Ribosomes are ribonucleoprotein particles. They are found freely or attached to the surface of endoplasmic reticulum by ribophorin protein.
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