When uncharged tRNA concentration is low what will you expect as the activity of tryptophan operon?(a) Low(b) Medium(c) High(d) Very highI had been asked this question in a national level competition.The question is from Operons : Trp topic in section Gene Expression : Transcription Prokaryotes of Cytogenetics

When uncharged tRNA concentration is low what will you expect as the a

1.	When uncharged tRNA concentration is low what will you expect as the activity of tryptophan operon?(a) Low(b) Medium(c) High(d) Very highI had been asked this question in a national level competition.The question is from Operons : Trp topic in section Gene Expression : Transcription Prokaryotes of Cytogenetics
Answer» RIGHT option is (d) Very HIGH Best explanation: When UNCHARGED tRNA CONCENTRATION is low this is because of lack of trp. This inactivates anti-trap gene and thus there is no attenuation at all in trp gene. Thus activity is high.

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