kassim Hafiz Hope MCQs on Transamination, Deamination, and Urea Cycle

Which of the following enzymes is primarily responsible for transamination reactions?

• Glutamate dehydrogenase

• aminotransferase

• Hexokinase

• Glutamine synthetase

What is the coenzyme required for transamination reactions?

• NADH

• FAD

• Pyridoxal phosphate

• Biotin

Which structure is shown above

• Amino acid general structure

• Urea

• Guanidine

• Serine

In transamination, an amino group is transferred from an amino acid to a:

• α-keto acid

• β-keto acid

• Sugar molecule

• Fatty acid

Transamination reactions are important for:

• Gluconeogenesis

• Glycogen synthesis

• Amino acid catabolism

• Fatty acid biosynthesis

What is transamination ?

The reaction of alanine and α-ketoglutarate in transamination produces which amino acid?

• Glutamate

• Aspartate

• Glutamine

• Alanine

Which of the following is NOT a product of a transamination reaction?

• An amino acid

• An α-keto acid

• Glutamine

• Glutamate

Which process is involved in the removal of an amino group from an amino acid?

• Transamination

• Deamination

• Decarboxylation

• Glycosylation

Which enzyme is primarily responsible for the oxidative deamination of glutamate?

• Glutamine synthetase

• Glutamate dehydrogenase

• Aspartate aminotransferase

• Alanine aminotransferase