Unit 2 Vocabulary Review

Front

Metabolism

Back

All of the chemical reactions within each cell of an organism.

Front

Chemical reactions

Back

The breaking and forming of bonds between different substances during chemical changes.

Front

Catabolic

Back

Break down larger molecules into simpler ones.

Front

Anabolic

Back

Build larger molecules from smaller ones.

Front

Activation energy

Back

The amount of energy needed to make a chemical reaction start.

Front

Reactant (substrate)

Back

Substances that are changed during a chemical reaction.

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Product

Back

Substances that are made by a chemical reaction.

Front

Endothermic

Back

Absorbs energy (in the form of heat or light).

Front

Exothermic

Back

Releases energy (in the form of heat or light).

Front

Enzyme

Back

Mostly proteins that speed up biochemical reactions by lowering the activation energy.