Enzymes

Front

What suffix is commonly used in the names of enzymes?

Back

-ase

Front

In the lock-and-key model of enzyme action, the __________ fits into the __________ of the enzyme.

Back

substrate; active site

Front

What two factors most significantly affect an enzyme's operation?

Back

temperature and pH

Front

What is activation energy?

Back

The energy needed to get a reaction going.

Front

Which enzyme breaks down the starch amylose?

Back

amylase

Front

What is the role of enzymes in biochemical reactions?

Back

Enzymes act as catalysts to speed up chemical reactions without being consumed.

Front

What is a substrate in the context of enzyme activity?

Back

A substrate is the reactant molecule that an enzyme acts upon.

Front

How does temperature affect enzyme activity?

Back

Increased temperature generally increases enzyme activity up to a certain point, after which the enzyme may denature.

Front

What is the effect of pH on enzyme activity?

Back

Each enzyme has an optimal pH range; deviations can reduce activity or denature the enzyme.

Front

What is enzyme specificity?

Back

Enzyme specificity refers to the ability of an enzyme to select and catalyze a specific substrate.