Which of the following events occur when E. coli is starved for tryptophan?

I.  The ribosome translates leader peptide completely

II. Transcription reads through attenuator into trp EDCBA

III. Tryptophanyl tRNA is not formed

IV. A stem loop structure involving regions 3 and 4 is formed at attenuator site

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#Question id: 12728

#SCPH05 I Biotechnology

Name the type of RNA which folds up to give a cloverleaf secondary structure.

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#Question id: 3448

#SCPH06 I Botany

Which scientist devised a rule that predicts when natural selection should favor altruism?

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#Question id: 1729

#SCPH05 I Biotechnology

When a resting naive T-cell engages its specific MHC–peptide complex displayed on the surface of a fibroblast, it:

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#Question id: 43

#I Life Science/ Life Sciences Group – I-V

If 10 g of ice at 0°C is converted to water at the same temperature, the change in entropy will be- (latent heat 80 cal/g

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#Question id: 10529

#SCPH05 I Biotechnology

Insects produces an elicitors molecules that is caeliferins at the wound site in Arabidopsis plant, which induces