Diffusion Does Not Require the Cell to Expend ATP

question 18

Multiple Choice

Diffusion does not require the cell to expend ATP. Therefore, diffusion is considered a type of

• A) exocytosis.
• B) passive transport.
• C) active transport.
• D) endocytosis.

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Definitions:

Turgor Pressure

Turgor Pressure is the force within the cell that pushes the plasma membrane against the cell wall, crucial for maintaining plant cell structure and rigidity.

Receptor-mediated Endocytosis

A cellular process by which cells internalize molecules (such as proteins) by the inward budding of plasma membrane vesicles containing proteins with receptor sites specific to the molecules being internalized.

Coated Pits

Specialized areas on the cell membrane involved in the process of receptor-mediated endocytosis, often marked by a specific coating protein.

Endosome

Membrane-bound compartments inside cells, involved in sorting and directing vesicular traffic of proteins and lipids.