Atoms and molecules are in constant,random motion. Movement of any molecule along its concentration gradient is termed ________,and movement of water in the same manner,across a selectively permeable membrane,is called ________.

Question

Atoms and molecules are in constant,random motion.  Movement of any molecule along its concentration gradient is termed ________,and movement of water in the same manner,across a selectively permeable membrane,is called ________.

Quizplus · Accepted Answer

Diffusion refers to the movement of any molecule along its concentration gradient, while osmosis specifically refers to the movement of water across a selectively permeable membrane along its concentration gradient. Choice A correctly matches these definitions. Options C, D, and E relate to different types of solutions and do not directly refer to the movement of molecules or water.

Atoms and Molecules Are in Constant,random Motion