List of top Biochemistry Questions on Amino Acids

Identify the correct set(s) of essential amino acids: A. Alanine, Lysine B. Lysine, Methionine C. Threonine, Serine D. Methionine, Threonine Choose the correct answer from the options given below:

Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A): When an individual amino acid is part of a peptide or protein it is called amino acid residue. Reason (R): When an amino acid becomes part of a protein or peptide through peptide bond it loses a molecule of water and is called amino acid residue. In the light of the above statements, choose the most appropriate answer from the options given below:

What are the different forms of Alanine?

A patient with vitamin B12 deficiency presents with anemia, positive Romberg sign, and elevated homocysteine. Which amino acid is most likely deficient?

A 5 year old child was brought to the physician with a history of black urine. There is no history of fever or any other complaints. There is no growth retardation and all the developmental milestones are normal. The child is suspected to have an enzyme defect for metabolism of an aromatic amino acid. What is the enzyme deficient?

Which amino acid needs to be supplemented through diet in a patient with cystathionine beta synthase deficiency?

Addition of which amino acid will increase the UV absorption of a protein?

Which of the following is a neutral amino acid?