Question #6422499Single Choice

Biology

Question

Which one is the definition of active transport?

Options

Passage of water molecules from a region of their higher concentration to a region of their lower concentration through a partially permeable membrane.

Movement of particles through the cell membrane from a region of lower concentration to a region of higher concentration using energy in the form of ATP.

Net movement of molecule from a region of higher concentration to region of lower concentration. Molecule down a concentration gradient.

Net movement of molecule from a region of lower concentration to region of higher concentration. Molecule down a concentration gradient.

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