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

Which enzyme catalyzes transamination reactions?

• Aspartate transaminase (AST)

• Glutamate dehydrogenase

• Carbamoyl phosphate synthetase

• Urease

What coenzyme is required for transamination reactions?

• FAD

• NAD+

• Pyridoxal phosphate (PLP)

• Coenzyme Q

In which organ do most transamination reactions occur?

• Brain

• Liver

• Heart

• Lungs

In which part of the cell do transamination reactions occur?

• Nucleus

• Cytosol

• Mitochondria

• Ribosome

Which amino acid does not undergo transamination?

• Lysine

• Alanine

• Glutamate

• Aspartate

What is the most commonly transaminated amino acid?

• Glutamate

• Glycine

• Valine

• Leucine

What are the two types of deamination?

• Oxidative and Non-oxidative

• Hydrolytic and Transaminative

• Reductive and Oxidative

• None of the above

Which enzyme is involved in oxidative deamination?

• Glutamate dehydrogenase

• Aspartate transaminase

• Urease

• Pyruvate kinase

Which enzyme is involved in non-oxidative deamination?

• Serine dehydratase

• Glutamate dehydrogenase

• Carbamoyl phosphate synthetase

• Urease

Which amino acid does not undergo deamination?

• Serine

• Proline

• Alanine

• Glutamate