Which of the Following Does NOT Influence the Rate of Diffusion

question 26

Multiple Choice

Which of the following does NOT influence the rate of diffusion of a chemical across a plasma membrane?

• A)concentration gradient of the chemical across the membrane
• B)mass of the diffusing chemical
• C)distance that the chemical has to diffuse
• D)amount of ATP available
• E)temperature

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Definitions:

Protein

Essential nutrients for the human body used in every cell for structural, functional, and regulatory processes.

Channel Proteins

Proteins embedded in cell membranes that facilitate the transport of ions and molecules across the membrane in a process essential for various cellular functions.

Endoplasmic Reticulum

A network of tubular membranes within the cytoplasm of the cell, involved in the production, processing, and transport of proteins and lipids.

G Protein Complex

A molecular switch on the inside surface of the cell membrane that plays a critical role in transmitting signals from extracellular stimuli to the cell's interior.