Amino-acid substitute for tryptophan without altering proteins characteristics –
Correct Answer: Phenylalanine
Description: Ans. is 'b' i.e., Phenylalanine o Tryptophan is an aromatic amino acid, thus it can only be replaced with other aromatic amino acid, o Other two aromatic amino acids area)Phenylalanineb)Tyrosineo Among these two, phenylalanine can substitute tryptophan but not tyrosine because#Phenylalanine and tryptophan both are hydrophobic (non-polar).#Whereas, tyrosine is hydrophilic (Polar)."The only other aromatic residue that can substitute for tryptophan is phenylalanine. Tyrosine cannot substitute since it has hydrophilic property "
Category:
Unknown
Get More
Subject Mock Tests
Practice with over 200,000 questions from various medical subjects and improve your knowledge.
Attempt a mock test nowMock Exam
Take an exam with 100 random questions selected from all subjects to test your knowledge.
Coming SoonGet More
Subject Mock Tests
Try practicing mock tests with over 200,000 questions from various medical subjects.
Attempt a mock test now