To Increase the Chance of Detecting Carcinogens in the Ames

question 27

Multiple Choice

To increase the chance of detecting carcinogens in the Ames test, the test substance is treated with

• A) penicillin.
• B) heat.
• C) ground-up rat liver.
• D) reverse transcriptase.
• E) penicillin AND heat.

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Definitions:

Proto-oncogene

A normal gene that can become an oncogene due to mutations or increased expression, potentially leading to cancer.

Oncogene

Cancer-causing gene formed by a mutation in a proto-oncogene; codes for proteins that stimulate the cell cycle and inhibit apoptosis.

Pesticides

Chemical substances used to kill, repel, or control pests, including insects, weeds, rodents, and fungi that affect plants or animals.

Ultraviolet Radiation

A type of electromagnetic radiation with wavelengths shorter than visible light but longer than X-rays, capable of causing chemical reactions and damage to living organisms.