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Which of the following membrane activities require energy from ATP hydrolysis?

A) facilitated diffusion.
B) movement of water into a cell.
C) Na+ ions moving out of the cell.
D) movement of glucose molecules.
E) movement of water into a paramecium.

Respuesta :

Answer:

C) Na+ ions moving out of the cell

Explanation:

  • Movement of Na+ ions out of the cell requires hydrolysis of ATP, a process called active transport.
  • Active transport involves movement of materials against a concentration gradient using energy from the hydrolysis of ATP.
  • Active transport system uses energy in the form of ATP to move substances such as ions into the cell or out of the cell.
ayfat23

The membrane activities out of the listed options that requires

energy from the  hydrolysis of ATP is : C) Na+ ions moving out of the cell.

  • ATP hydrolysis can be regarded as catabolic reaction process whereby the stored chemical energy in phosphoanhydride bonds is been released through the splitting of the bond.

  • For the Na+ ions to move out of the cell, then ATP hydrolysis is needed through a process known as active transport.

  • Active transport is about moving of molecules across  through a cellular membrane using cellular energy.

  • This cellular energy helps the ions for easy movement through the cell.

Therefore, option C is correct.

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