GENERAL HISTOLOGY

INTRODUCTION

CELL STRUCTURE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What is the term for the diffusion of water across a semipermeable membrane?
A
osmosis
B
equilibrium
C
transport
D
isotonic
Explanation: 

Detailed explanation-1: -Osmosis is a special type of diffusion, namely the diffusion of water across a semipermeable membrane. Water readily crosses a membrane down its potential gradient from high to low potential (Fig. 19.3) [4]. Osmotic pressure is the force required to prevent water movement across the semipermeable membrane.

Detailed explanation-2: -Osmosis: Osmosis is the movement of solvent particles across a semipermeable membrane from a dilute solution into a concentrated solution. The solvent moves to dilute the concentrated solution and equalize the concentration on both sides of the membrane.

Detailed explanation-3: -Osmosis is the term used to refer specifically to the diffusion of water across a differentially or semipermeable membrane.

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