You are presented with the above agar plate with bacteriophage plaque formation totaling 125 PFUs. Given that 50µl of an initial viral culture was pipetted at a plate dilution of 10-3, calculate the Phage Titer using the appropriate units. Provide your answer in PFU/ml.

I certify that I did not use any materials or sources for this exam, and I did my own work.

Which will directly decrease heart rate?

The excretion rate of a drug by the kidney is decreased when a drug is:

a) What is meant by the ‘host range’ of a phage? b) Does the ‘host range’ of a phage tend to be specific/non-specific or can it vary?

True or False. Dmc1-depedent recombination occurs preferentially between non-sister chromatids.

Alternative sigma factors can control

Antibiotics are now used to treat tuberculosis by

What is the first step in aminoacylation?

In which yeast mating type are haploid-specific genes turned off?