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Question

List two points of differences between the following.

Active transport and passive transport.


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Solution

Definition:

  1. Active transport is a process that involves movement of molecules from a region of lower concentration to a region of higher concentration against a gradient with the use of external energy.
  2. Passive transport is the movement of molecules within and across the cell membrane from lower concentration to higher concentration without using energy.

Active transport

Passive Transport

  • It requires energy in the form of ATP.
  • It does not require energy.
  • It involves movement of large molecules.
  • It involves movement of small or water molecules.

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