4.2 Cofactor

Multiple Choice

Some enzymes require the presence of a non-protein substance.

Which of the following explain such substance in GENERAL?

• prosthetic group

• inducer

• cofactor

• coenzyme

Multiple Choice

Cofactors for enzyme are accurately described as

• The protein substance

• The non-protein substance

• The inorganic substance

• The organic substance

Fill in the Blank

The protein part of an enzyme that binds to prosthetic group to form a functional enzyme is called __________

Multiple Choice

What term is used for a non-protein organic molecule that is required by some enzymes and bind loosely on the enzyme?

• prosthetic group

• cofactor

• metal ion activator

• coenzyme

Open Ended

Vitamin C is _______

Multiple Choice

Iron is ____

• Coenzymes

• Prosthetic group

• Metal ion activator

Poll

How can you differentiate between 3 types cofactor?

• How it bind & active site change or not

• How it react & release product

• How the material is and which site it bind