Where Would You Expect the Effects of Nicotine to Occur

question 13

Multiple Choice

Where would you expect the effects of nicotine to occur at the level of a series of interconnected neurons?

• A) on their myelin sheaths
• B) at nodes of Ranvier
• C) on the cell bodies of neurons
• D) in synaptic clefts

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Definitions:

Regulatory Network

A regulatory network is a system of interacting genes, transcription factors, promoters, RNA, and other molecules. It functions like a biological circuit, responding to signals with output that controls the activation of genes during development, the cell cycle, and the activation of metabolic pathways.

Crystallins

Special proteins in the lens of the eye that are responsible for its transparency and refractive properties.

Gene Recruitment

The co-option of a gene for a function different from the gene's original function, contributing to evolutionary novelty.