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Which of the following inhibits initiation at higher concentrations?(a) Chloramphenicol(b) Streptomycin(c) Diphtheria toxin(d) RicinThis question was posed to me in semester exam.This interesting question is from Protein Synthesis in section DNA, RNA and Protein Metabolism of Biochemistry

Answer»

The CORRECT choice is (B) Streptomycin

To explain: Streptomycin, a BASIC tri-saccharide causes misreading of the genetic code at RELATIVELY low concentrations and inhibits initiation at HIGHER concentrations.



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