AP Biology- Enzymes and Energy

Front

What is the process by which an enzyme's function at the active site may be activated or inhibited by the binding of a regulatory molecule at a separate site?

Back

Allosteric Interactions

Front

What is the term for the molecule that an enzyme acts upon?

Back

Substrate

Front

What type of reaction involves a net release of energy?

Back

Exergonic

Front

How do enzymes work to increase the reaction rate?

Back

They lower the activation energy of the reaction.

Front

What is the part of the enzyme that the substrate bonds to called?

Back

Active site

Front

What is the term for a molecule that speeds up a chemical reaction without being consumed?

Back

Enzyme

Front

What is feedback inhibition in enzymatic reactions?

Back

A regulatory mechanism where the end product of a metabolic pathway inhibits an enzyme involved in its synthesis.

Front

What is competitive inhibition?

Back

A type of enzyme inhibition where a molecule competes with the substrate for binding to the active site.

Front

What is noncompetitive inhibition?

Back

A type of enzyme inhibition where an inhibitor binds to an enzyme at a site other than the active site, reducing its activity.

Front

What is activation energy?

Back

The minimum energy required for a chemical reaction to occur.