Enzymes

Front

What is the function of an enzyme?

Back

Enzymes speed up chemical reactions.

Front

What are the four biological molecules?

Back

Proteins, carbohydrates, lipids, nucleic acids.

Front

What is the optimum pH of an enzyme if it is 6.6?

Back

The optimum pH of the enzyme is 6.6.

Front

How do enzymes affect the activation energy of a reaction?

Back

Enzymes decrease the activation energy of the reaction.

Front

What is a substance called if it speeds up a chemical reaction?

Back

Catalyst.

Front

What are enzymes made of?

Back

Enzymes are primarily made of proteins.

Front

What is the role of a substrate in enzyme activity?

Back

A substrate is the reactant that an enzyme acts upon.

Front

What happens to an enzyme after it catalyzes a reaction?

Back

Enzymes are reusable and can catalyze multiple reactions.

Front

What is enzyme specificity?

Back

Enzyme specificity refers to the ability of an enzyme to choose exact substrate from a group of similar chemical molecules.

Front

What is the effect of temperature on enzyme activity?

Back

Enzyme activity typically increases with temperature up to a certain point, after which it may denature.