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Study Companion

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QUESTION
Q489) Epithelial cells involved in absorption of digested food have on their free surface. [CBSE 2005 ]

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Zymogen granules (ZGs) are specialized storage organelles in the exocrine pancreas that allow the sorting, packaging and regulated apical secretion of digestive enzymes.

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Pinocytosis is the process by which the cell takes up fluid through pinocytic vesicles and occurs during endocytosis.

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In pinocytosis small amounts of extracellular fluid and solute molecules are taken up by the pinocytic vesicles, or pinosomes, which then pinch off the plasma membrane along the endosome pathway.

Correct

Microvilli on the surface of epithelial cells such as those lining the intestine increase the cell's surface area and thus facilitate the absorption of ingested food and water molecules
Answer : (d)