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Which operon behaves similar to Bacillus subtilis trp operon in terms of attenuation?(a) Lac operon(b) His operon(c) Phe operon(d) Ara operonThis question was addressed to me in my homework.Question is taken from Operons : Trp in section Gene Expression : Transcription Prokaryotes of Cytogenetics |
Answer» RIGHT option is (b) His operon To EXPLAIN I would say: His operon, similar to B. subtilis trp operon, has a streach of 6 His CODONS in its ATTENUATOR which stalls the ribosome and helps in attenuation. |
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