Carrier ions like Na ^+ facilitate the absorption of substances like

NEET 2010 Biology question

Not in NEET syllabus

Carrier ions like facilitate the absorption of substances like

(1)glucose and fatty acids
(2)fatty acids and glycerol
(3)fructose and some amino acidsCorrect
(4)amino acids and glucose

Answer: (3)

Solution

In the small intestine, absorption of substances such as glucose and amino acids occurs by active transport with the help of sodium ions, while the absorption of fructose and some amino acids takes place by facilitated transport with the help of carrier ions like Na+ (as given in NCERT). Fatty acids and glycerol are

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Question ID VK-090582