Bio Ch 2 Pt B Vocab

Front

Energy needed to start a chemical reaction.

Back

Activation Energy

Front

A chemical reaction releases more energy than it absorbs.

Back

Exothermic

Front

A reaction that absorbs more energy than it releases.

Back

Endothermic

Front

A substance that decreases activation energy for a chemical reaction.

Back

Catalyst

Front

Substances produced by a chemical reaction.

Back

Product

Front

Substance that binds to an enzyme's active site.

Back

Substrate

Front

A protein that speeds up chemical reactions by lowering activation energy.

Back

Enzyme

Front

Substances changed in a chemical reaction.

Back

Reactant

Front

Optimal internal environment maintained by organisms by sensing and responding to stimuli.

Back

Homeostasis

Front

Breakdown of a protein (enzyme) making it non-functional.

Back

Denaturation