Which of the Following Is a Characteristic of Facilitated Diffusion

question 24

Multiple Choice

Which of the following is a characteristic of facilitated diffusion (passive transport) of a molecule across a membrane?

• A)Its rate is higher than that of simple diffusion of the molecule.
• B)It is highly specific for the molecule being transported.
• C)The direction of transport is determined by concentration and/or electrochemical gradients.
• D)The rate of transport is saturable.
• E)All of the above are true.

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Definitions:

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A condition characterized by an abnormally low level of glucose (sugar) in the blood, often causing symptoms such as shakiness, sweating, and confusion.

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A medical procedure to remove a blood clot (thrombus) from a blood vessel.

Erythropoietin

A hormone produced primarily by the kidneys that stimulates the production of red blood cells in the bone marrow.

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The clumping of particles or cells, such as bacteria or red blood cells, in response to antibodies or other substances.