Metabolism

Question 1

Name the 8 common types of enzymes in biology that you have covered in class.

Answer 1

1) Kinase
2) Phosphorylase
3) Phosphatase
4) Dehydrogenase
5) Mutase
6) Isomerase
7) Hydratase
8) Synthase

Question 2

What type of reaction does Kinase catalyse?

Answer 2

Kinase (K) catalyses the phosphoryl transfer from one molecule (usually ATP) to another.

Question 3

What type of reaction does Phosphorylase catalyse?

Answer 3

Phosphorylase (P’lase) catalyses the covalent addition of inorganic phosphate (Pi) to a molecule.

Question 4

What type of reaction does Phosphatase catalyse?

Answer 4

Phosphatase (P’tase) catalyses the cleavage of a phosphate to yield the dephosphorylated product and Pi.

Question 5

What type of reaction does Dehydrogenase catalyse?

Answer 5

Dehydrogenase (DH), catalyses an oxidation/reduction reaction commonly using NADH/NAD+, NADPH/NADP+ or FADH2/FAD as cofactors.

Question 6

What type of reaction does Mutase catalyse?

Answer 6

Mutase (M) catalyses the shift of a phosphoryl group from one atom to another within the same molecule.

Question 7

What type of reaction does Isomerase catalyse?

Answer 7

Isomerase (I) catalyses the conversion of one isomer to another.

Question 8

What type of reaction does Hydratase catalyse?

Answer 8

Hydratase catalyses the addition/removal of water.

Question 9

What type of reaction does Synthase catalyse?

Answer 9

Synthase catalyses the synthesis of a product.