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What is On consumption of which aminoacid, requirement of methionine is reduced because of sparing effect? and explain in detail?
Ans. is 'b' i.e., Cysteine"Adequate dietary source of cysteine 'spares' methionine".* Methionine is an essential amino acid.* Methionine is required for synthesis of cysteine (thus cysteine is non-essential amino acid)* Thus, cysteine can spare the requirment of methionine in diet.