A.) name the PCR DNA polymerase isolated from the thermophilic bacterium Thermotoga maritima

B.) Write the phenotypic designation for a mutation that makes E. coli resistant to rifampicin

C.) write the genotypic designation for THREE DIFFERENT mutations in two genes coding for enzymes in proline biosynthesis. One mutation leads to the loss of the first dedicated enzyme in proline biosynthesis. The other two mutations each lead to the loss of the thrid enzyme in proline biosynthesis.