A Small Amount of Exposure May Produce an Allergic Reaction

question 7

Multiple Choice

A small amount of exposure may produce an allergic reaction in a small number of people. This is an example of which of the following factors that affect the impact of an exposure?

• A) Route of exposure
• B) Timing of exposure
• C) Stage of life
• D) Presence of other diseases
• E) Special sensitivities

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Definitions:

Introns

Non-coding sections of a gene that are removed from the RNA transcript before it is translated into protein, playing roles in gene expression regulation and evolution.

Exons

Sequences of DNA within a gene that are transcribed to messenger RNA and then translated into protein.

Phylogenetic Analysis

The study of the evolutionary relationships among groups of organisms, which is often represented in a tree format.

Cichlid Fishes

A diverse group of freshwater fish known for their bright colors and complex behaviors, particularly in mating and parenting.