The process that requires energy has to be identified. The reason for requirement of energy to move the solute across the membranes has to be explained. Concept Introduction: Cell membrane: The cell membrane it is a fluid mosaic, the semi-permeable membrane surrounding the cytoplasm of a cell it is flexible and made up of different type of molecules. Passive transport: The transport of ions in the cell membrane which doesn’t need any energy, because the substances move from high concentration to low concentration, in this process only ions which are non-polar and small in size are allowed. Active transport: The transport of ions in the cell membrane which does need energy which is carried out by certain integral membrane proteins, because the substances move against the normal flow of concentration gradients

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Chapter 23, Problem 23.72AP

Interpretation Introduction

Interpretation:

The process that requires energy has to be identified. The reason for requirement of energy to move the solute across the membranes has to be explained.

Concept Introduction:

Cell membrane:

The cell membrane it is a fluid mosaic, the semi-permeable membrane surrounding the cytoplasm of a cell it is flexible and made up of different type of molecules.

Passive transport:

The transport of ions in the cell membrane which doesn’t need any energy, because the substances move from high concentration to low concentration, in this process only ions which are non-polar and small in size are allowed.

Active transport:

The transport of ions in the cell membrane which does need energy which is carried out by certain integral membrane proteins, because the substances move against the normal flow of concentration gradients

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