Which of these is a conservative mutator?: (A) Glutamic acid-glutamine, (B) Histidine glycine, (C) Alanine-leucine, (D) Arginine-aspaic acid
Answer is C. Conservative mutator, there is no change in function inspite of mutation.Alanine and Leucine are interconveable.Ref: Textbook of BIOCHEMISTRY for Medical Students, DM Vasudevan, Seventh edition, page no: 215