Cell Membranes - Structure Overview

It facilitates simple diffusion of molecules.

It acts as a carrier protein for amino acids.

It increases the permeability of the membrane.

It restricts movement of other molecules within the membrane. (correct)

The random movement of all molecules in a solution.

Transport that occurs through channel or carrier proteins. (correct)

Movement of water through a semi-permeable membrane.

A process that uses ATP to transport molecules.

They enhance the ability to quickly transport substances. (correct)

They are only relevant in the case of simple diffusion.

They slow down all types of transport processes.

They have no significant impact on transport mechanisms.

<p>It has a hydrophobic tail and a hydrophilic head.</p> Signup and view all the answers

<p>Active transport</p> Signup and view all the answers

<p>It allows for more efficient absorption and transport of substances.</p> Signup and view all the answers

<p>The movement of water based on the concentration gradient.</p> Signup and view all the answers

<p>Two dark tramlines surrounding the cell.</p> Signup and view all the answers