Chapter 11, Problem 13RQ

Summary Introduction

To review:

Definitions of the following terminologies:

1. CFTR

2. simple diffusion

3. facilitated diffusion

4. $N{a}^{+}\text{-}{K}^{+}$ pump

5. aquaporin

Introduction:

The transport of essential molecules occurs across the plasma membrane from the region of higher to lower concentration. The essential molecules like water, carbon dioxide, and oxygen can cross the cellular membrane by the process of diffusion.