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:

Histones

Proteins found in eukaryotic cell nuclei that package and order the DNA into structural units called nucleosomes, playing a critical role in gene regulation.

Neuroplasticity

The malleability of the human brain, its capacity to change and grow especially in response to new environmental input. Includes the capacity of neurons to shift functions to compensate for damage to other cells or because they have been transplanted to a different part of the brain.

Hippocampus

A region of the brain associated with memory formation, spatial navigation, and the processing of emotional responses.

Auditory Cortex

The region of the brain that is primarily involved in processing sound and auditory information.