Solution Surrounding Cell High ?, High Na High Glucose High Na\" Low K Low O Low

Question

Solution Surrounding Cell High ?, High Na High Glucose High Na" Low K Low O Low Na Low Glucose L Low Na High K Cytoplasm 41. The manner in which several different ions and molecules move through a cell membrane is shown in the diagram above. For each ion or molecule, the relative concentration on each side of the membrane is indicated. Which of the following accurately describes one of the movements taking place? (A) Glucose is transported into the cell by active transport (B) Na" is transported into the cell by active transport. (C) The movement of glucose through the membrane requires ATP hydrolysis. (D) Na transport out of the cell requires ATP hydrolysis

Explanation / Answer

According to the question, correct movement described in the option is (D), as in this option, Sodium ion is moving from low Na+ into high Na+, which does not occur by itself and it is against the concentration Gradient. Hence, energy for the movement of low Na+ into high Na+, will be provided by the ATP hydrolysis.

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