Enzyme classes and examples

Question 1

Catalyses redox reactions

Answer 1

Oxidoreductases

Question 2

Examples of oxidases (4)

Answer 2

Dehydrogenase
Reductase
Oxidase
Catalase

Question 3

Catalyses the transfer of functional groups

Answer 3

Transferases

Question 4

Examples of transferases (4)

Answer 4

Acetyltransferase
Methylase
Protein kinase
Polymerase

Question 5

Catalyse the breaking of bonds with water

Answer 5

Hydrolases

Question 6

Examples of hydrolases (3)

Answer 6

Protease
Nuclease
Phosphatase

Question 7

Catalyses the cleavage of C-C, C-O, C-S and C-N bonds

Answer 7

Lyases

Question 8

Examples of lyases (2)

Answer 8

Decarboxylase

Aldoase

Question 9

Catalyses atomic rearrangements within molecules

Answer 9

Isomerases

Question 10

Examples of isomerases (3)

Answer 10

Racemase
Mutase
Epimerase

Question 11

Catalyses the joining of two molecules together using ATP

Answer 11

Ligases

Question 12

Examples of ligases (3)

Answer 12

DNA ligase
Peptide synthase
Fatty acid synthase

Question 13

Classes of enzymes (6)

Answer 13

H I L L O T

Hydrolases, isomerases, ligases, lyases, oxidoreductases and transferases.