For each of the following statements, answer if the statement is true of simple

Question

For each of the following statements, answer if the statement is true of simple diffusion, if it is true of facilitated diffusion or if it is true of active transport. Any, all, or none of the choices may be appropriate for a given statement.

Requires the presence of an integral membrane protein. Select all that apply. Depends primarily on solubility properties of the solute. Select all that apply. Doubling the concentration gradient of the molecule to be transported will double the rate of transport over a broad range of concentrations. Select all that apply. Involves proteins called ATPases. Select all that apply. Work is done during the transport process. Select all that apply. Applies only to small, nonpolar solutes. Select all that apply. Applies only to ions. Select all that apply. Transport can occur in either direction across the membrane, depending on the prevailing concentration gradient. Select all that apply.

Explanation / Answer

Part A

It is true of facilitated diffusion

It is true of active transport

Part B

It is true of simple diffusion

Part C

It is true of simple diffusion

Part D

It is true of active transport

Part E

It is true of active transport

Part F

It is true of simple diffusion

Part G

None of the above

Part H

It is true of simple diffusion

It is true of facilitated diffusion

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