Question : Which is the best definition of active transport?

1.	Question : Which is the best definition of active transport?
Answer» Movement of molecules from an area of their higher concentration to an area of their lower concentration Movement of water across a semi-permeablemembrane from an area of high water CONCENTRATIONTO an area of lower water concentration Movement of molecules from an area of their lowerconcentration to an area of their higher concentration Movement of a substance against its concentration through the release of ENERGY from ATP SOLUTION :Movement of a substance against its concentration through the release of energy from ATP

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