Rxn catalysed by (11-15)

Question 1

Arginino-succinate synthase

Answer 1

citrulline —> arginino-succinate

*in urea cycle

Question 2

Cytocrome-C oxidase

Answer 2

carries electrons from cytochrome c to molecular oxygen, reducing it to H2O.

Question 3

Cyclooxygenase (Prostaglandin H2 synthase)

Answer 3

eg. convert arachidonate to prostaglandin H2

*topic 95 Eicosanoids

Question 4

Decarboxylation

Answer 4

e.g. Histidine to Histamine or oxaloacetate to α-ketoglutarate

*topic 47

Question 5

Deoxygenase

Answer 5

catalyze deoxygenation reactions, removal of oxygen atoms