Rick Discovered That Oxygen Increases the Cell-Killing Effect of a Given

question 23

Multiple Choice

Rick discovered that oxygen increases the cell-killing effect of a given dose of radiation. This is known as which of the following?

• A) fractionation
• B) mutagenesis
• C) oxygen effect
• D) reproductive failure

---

Definitions:

Stock

A type of financial security that denotes ownership in a corporation and represents a claim on part of the company's assets and earnings.

Mutual Funds

Mutual funds are investment vehicles that pool money from numerous investors to purchase a diversified portfolio of stocks, bonds, or other securities.

U.S. Treasury Bonds

Long-term debt securities issued by the United States Department of the Treasury with a maturity of more than ten years.