<prompt> Which of the following amino acid is excreted in urine in maple syrup urine diseaseTryptophanPhenylalanineLeucineArginine  <response>: In maple syrup urine disease there is the excretion of branched chain amino acids isoleucine, leucine, valine and their keto acids α -keto β-methyl valerate, α-ketoisocaproate, α-ketoisovalerate in the urine. 