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  • Carrier ions like Na+ facilitate the absorption of substances likeOption: 1 Fructose and some amino acids<div class='qna-opt

Carrier ions like Na+ facilitate the absorption of substances like

Option: 1

Fructose and some amino acids


Option: 2

Amino acids and glucose


Option: 3

Glucose and fatty acids


Option: 4

Fatty acids and glycerol


Answers (1)

best_answer
  • Amino acids and glucose can be absorbed more easily with the help of carrier ions like Na+.
  • Active transport is the mode of transport in which ions like Na+ serve as carriers. These kinds of transports, which mostly take place at the cell membrane, use up energy.
  • Amino acids and glucose are transported through cell membranes by Na+ ions. The intestinal epithelium simultaneously transports sodium ions, glucose, and amino acids. 
  • While amino acid-coupled sodium absorption occurs through epithelial cells with the assistance of Na/amino acid cotransporters, glucose-coupled sodium absorption is facilitated by the Na/Glucose cotransporter (SGLT 1). Cotransporters for various classes of amino acids are distinct.

Hence, the correct choice is option 2).

Posted by

rishi.raj

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