Features of cystinuria are -
Impaired proximal tubular reabsorption of cystin
Autosomal recessive
Recurrent renal stone
All of above
Ans. is 'd' i.e., All of above Cystineuriao Metabolic disorder of autosomal recessive inheritance.o Defect in transport of cystine and some other aminoacid across renal tubular ceil & interstitial cell,o Selective increase renal clearance of cystine and other basic aminoacid in urine.o High urinary cystine leads to radio - opaque hexagonal crystal,o Crystal is soluble in alkali.o Treatment - formation of stone can be reduced by alkalization of urine.
Metabolism of Amino Acids