Enzymes IGCSE Vocabulary

Which type of large, biological molecule are enzymes made of?

(a)  

What is the name of the part of an enzyme that binds to the substrate molecule?

(a)  

What is the name of the molecule that can bind to the active site of the enzyme?

(a)  

What word describes any substance that speeds up a chemical reaction but do not get changed or used up themselves?

(a)  

What name is given to a protein molecule that acts as a biological catalyst?

(a)  

What 3 letters are found at the end of the names of most enzymes?

(a)  

What word is used to describe the conditions (e.g. temperature and pH) that an enzyme works best at?

(a)  

What phrase describes the model used to explain why an enzyme only catalyses one specific reaction?

(a)  

When an enzyme has permanently lost its function due to high temperatures or extreme pH we say it has been...?

(a)  

At low temperatures, increasing the temperature increases the rate of an enzyme catalysed reaction, as there are more (a)   between the enzyme and substrate molecules.