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Question 8020
NEET Biology · Hard

Cell: The Unit of Life: Membrane Transport MCQ

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Membrane TransportHardQuestion 8020

Question

A cell accumulates Na+ from a dilute medium into a more concentrated cytoplasm. The process most likely requires:
  1. A
    Energy-dependent active transport
    Correct
  2. B
    Osmosis alone
  3. C
    Simple diffusion through bilayer
  4. D
    No membrane proteins

Correct answer

Energy-dependent active transport

Explanation

Movement against the concentration gradient needs energy and usually a carrier or pump protein.

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