About How Many Animals Are Used for Experiments Each Year

question 7

Multiple Choice

About how many animals are used for experiments each year in the US?

• A) 1.5 million
• B) 15 million
• C) 30 million
• D) 70 million

---

Definitions:

Saturated Acids

Fatty acids that have no double bonds between the carbon atoms of the fatty acid chain, making them typically solid at room temperature.

Trans-fatty Acids

Types of unsaturated fats that are transformed through hydrogenation, raising the risk of heart disease more than other types of fats.

Dehydration Reaction

A chemical reaction that involves the loss of a water molecule from the reacting molecule.

Functional Groups

Functional groups are specific groups of atoms within molecules that are responsible for the characteristic chemical reactions of those molecules.