Chapter 10, Problem 11E

Summary Introduction

To explain: The reason for Na⁺ and  K⁺ ions usually to move more slowly through pumps than through channels.

Concept introduction: As a constitutional part of membrane-transfer mechanisms, a group of biological membrane proteins that permit the passive movement of water, ions, or other solutes to move through the membrane down to their electric concentration is known as channel. Pumps are also regarded as a specialized type of transporter where the ions or solutes move from low to high concentration against the electrochemical gradient across the biological membrane.