Calculate the pH of a 2.0 L solution containing 10 mL of 5 M acetic acid and 10 mL of 1 M sodium acetate. (pKa = 4.76)

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#Question id: 15594

#Unit 8. Inheritance Biology

In an unordered tetrad with the parental ditype:

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#Question id: 15595

#Unit 8. Inheritance Biology

How might the function of extracellular endonucleases help protect the bacterium from infection by viruses?

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#Question id: 15602

#Unit 12. Applied 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

#Unit 12. Applied Biology

Novel antibiotic can be made by

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#Question id: 15604

#Unit 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

#Unit 12. Applied Biology

The uptake of plasmid DNA into Streptomyces protoplasts is enhanced by