Chapter 2: Enzymes

Question 1

Incredibly important as biological catalysts. As a catalyst, these are not changed over the course of the reaction. They increase the reaction rate of the process by a factor of 100, 1000, or even 1,000,000,000,000.

Answer 1

Enzymes

Question 2

These help a reaction proceed at a much faster rate

Answer 2

Catalysts

Question 3

The molecules upon which an enzyme acts are called ______.

Answer 3

Substrates

Question 4

A given enzyme will only catalyze a single reaction or class of reactions with these substrates, a property known as _______.

Answer 4

Enzyme Specificity

Question 5

These will catalyze oxidation-reduction reactions; that is the transfer of electrons between biological molecules.

Answer 5

Oxidoreductases

Question 6

In reactions catalyzed by oxidoreductases, the electron donor is known as the _______.

Answer 6

Reductant

Question 7

In reactions catalyzed by oxidoreductases, the electron acceptor is known as the _____.

Answer 7

Oxidant

Question 8

Enzymes with ______ or ______ in their names are usually oxidoreductases.

Answer 8

Dehydrogenase or Reductase

Question 9

Enzymes in which oxygen is the final electron acceptor often include _______ in their names.

Answer 9

Oxidase