In Facilitated Diffusion, the Diffusion Rate of a Specific Molecule

question 115

Multiple Choice

In facilitated diffusion, the diffusion rate of a specific molecule across a membrane does not continue to increase as the concentration difference of the molecule across the membrane increases. This is the case because

• A) facilitated diffusion requires the use of ATP.
• B) as the concentration difference increases, molecules interfere with one another.
• C) the carrier proteins are saturated.
• D) the transport protein must be of the channel type.
• E) the diffusion constant depends on the concentration difference.

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Definitions:

Written Reprimand

A formal written notice to an employee indicating a violation of policies or standards and typically documenting disciplinary action.

Negative Reinforcement

A psychological concept where the likelihood of a behavior increases because an unpleasant stimulus is removed or avoided following the behavior.

Punishment

A method of correcting or disciplining an individual through the imposition of unpleasant or adverse consequences for undesired behavior.

OB Mod

Organizational Behavior Modification, a strategy aimed at improving employee performance through behavioral techniques.