Carrier ions like Na+ facilitate the absorption of substances, such as
A
Glucose and amino acids
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B
Glucose and fatty acids
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C
Glucose and fructose
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D
fatty acids
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Solution
The correct option is A Glucose and amino acids Co-Transport of glucose and amino acids along with sodium ions - Glucose and many amino acids are transported into most cells against large concentration gradients; the mechanism of this is entirely by co-transport.