Deficiency of which vitamin causes excretion of xantheurenic acid in urine ?

Which of the following is true about effect of insulin and glucagon on gluconeogenesis?

General

Urease is a/an ?

General

True about coproporphyrin I and coproporphyrin III is -

General

Enzyme involved in oxidative phosphorylation ?

General

Fish odor syndrome is caused by deficiency of which enzyme?

General