Which precipitates at 50 to 60degC but Redis solve on heating?: (A) Bence Jones protein, (B) Heavy chain, (C) Both light and heavy chains, (D) Light chains
Answer is A. Ans. is 'a' i.e., Bence Jones protein (Ref: Ananthanarayan, 9th/e, p. 97 and 8th/e, p. 98)* Bence Jones protein is abnormal immunoglobulin found in urine.* Coagulates at 50degC, redissolves at 70degC.*Elevated in Multiple myeloma.