Enzymes

What are enzymes?
(3)

What is a catalyst?

Is enzyme action intracellular or extracellular?

What type of protein is an enzyme?

What determines the active site?

What lowers the activation energy?

How can activation energy be lowered?
(2)

How is activation energy lowered when two molecules are joined?

How is activation energy lowered in a breakdown reaction?

How does the induced fit model differ from the lock and key model?

What affects rate of reaction?
(4)

How does temperature affect rate of reaction?
(4)

How does pH affect the rate of reaction?

What does catalase catalyse?

What does Amylase catalyse?

What does an inorganic cofactor do?

So are inorganic cofactors changed or used up in any way?

What are manganese ions?

What are organic cofactors called?

What do coenzymes do?

Are coenzymes altered during reactions?

So what is a coenzyme?

Can enzyme activity be inhibited?

What is competitive inhibition?

What is non-competitive inhibition?

What type of bond creates an irreversible inhibitor?

What type of bond creates a reversible inhibitor?

What is a metabolic poison?

What is cyanide an irreversible inhibitor of?

What does penicillin do?