Which of the following is the best hypothesis regarding origins of nucleic acids?

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#Question id: 15560

#12. Applied Biology

Nearly all of the genetic improvements to industrially important antibiotic-producing strains have been achieved by the use of 

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#Question id: 15562

#12. Applied Biology

Deletion of which gene not only was accompanied by the abolition of antibiotic formation but also severely impaired growth on agar media.

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#Question id: 15602

#13. Methods in Biology

The antibiotic erythromycin, the immunosuppressive drug FK506, and the cholesterol-lowering drug lovastatin all belong to which class.

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#Question id: 15603

#12. Applied Biology

Novel antibiotic can be made by

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#Question id: 15604

#12. Applied Biology

The bacteria which cause septicaemia are fast becoming resistant to the antibiotics used for controlling them. Which one of the following explanations fits best?

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#Question id: 15605

#12. Applied Biology

The uptake of plasmid DNA into Streptomyces protoplasts is enhanced by