In facilitated diffusion, a molecule is moved 1. against its concentration gradi

Question

In facilitated diffusion, a molecule is moved

1. against its concentration gradient with the assistance of a protein carrier molecule and requires energy. 2. down its concentration gradient with the assistance of a protein carrier molecule, and no energy is required. 3. against its concentration gradient while Na is moved with its concentration gradient. 4. with its concentration gradient while Na is moved against its concentration gradient. 5. against its concentration gradient with the assistance of a protein carrier molecule, but no energy is required

Explanation / Answer

Ans

2

Facilitated diffusion is process occurs down its concentration gradient from high to low concentration of molecule.

No energy is required that is no use of ATP.

A protein carrier molecule is required for transport.

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