3.3 Active Transport Flashcards

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1
Q

active transport

A

the movement of molecules or ions through a cell membrane from a region of lower concentration to a region of higher concentration ( i.e. against a concentration gradient) using energy from respiration

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2
Q

carrier proteins ( or protein carriers)

A

Protein molecules in cell membranes that can use energy to change shape and move ions or molecules into or out of a cell

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