Enzyme Flashcard

Front

How many major classes of enzymes are recognized by the IUBMB?

Back

6

Front

Oxidoreductases are responsible for:

Back

Oxidation-reduction reactions.

Front

An example of a transferase enzyme is: Hexokinase, Lactase, Lipase, or Catalase.

Back

Hexokinase

Front

Lyases catalyze:

Back

Addition or removal of atoms without hydrolysis.

Front

Ligases catalyze:

Back

the joining of two molecules using ATP.

Front

Enzymes speed up reactions by:

Back

Decreasing the activation energy.

Front

Coenzyme

Back

A non-protein organic molecule that assists enzymes.

Front

Which model describes enzyme flexibility upon substrate binding?

Back

Induced Fit Model

Front

What determines enzyme specificity?

Back

Active site shape

Front

Which enzyme exhibits absolute specificity?

Back

Lactase