Unit 2 Review

Front

What is amylase?

Back

Amylase is an enzyme that speeds up the reaction in which starch is broken down into glucose.

Front

What are catalysts?

Back

Catalysts are substances that speed up chemical reactions in living cells while reducing the activation energy needed.

Front

What is the pH of a base?

Back

A substance with a pH of 12 is called a base.

Front

What is the pH of an acid?

Back

A substance with a pH of 4 is called an acid.

Front

What is the pH of a neutral substance?

Back

A substance that has a pH of 7, such as pure water, is called neutral.

Front

What property of water helps regulate body temperature?

Back

The high specific heat capacity of water helps regulate an organism’s body temperature.

Front

What two properties of water are responsible for capillary action?

Back

Cohesion and adhesion are the two properties of water that work together for capillary action.

Front

Define enzyme.

Back

An enzyme is a type of protein that acts as a catalyst to speed up chemical reactions.

Front

What is cohesion in terms of water?

Back

Cohesion is the property of water that allows water molecules to stick to each other.

Front

What is adhesion in terms of water?

Back

Adhesion is the property of water that allows water molecules to stick to other substances.