30 NOVEMBER 2020 CURRENT AFFAIRS QUIZ

whether the bacterium is motile

the type of energy metabolism the bacterium has

morphology of the bacterium

the species to which the bacteria are most closely related

All of these

Hepatitis B virus

HIV-1 and HIV-2 viruses

Mycobacterium tuberculosis

build up of PCR product which competes with primers for hybrid formation

insufficient enzyme and time to synthesize mass quantity of DNA

all of these

reduction in substrate concentration

four steps

three steps

five steps

two steps

all of these

E. coli RNA polymerase

E. coli DNA polymerase

Taq polymerase

r RNA

t RNA

c DNA

m DNA

single stranded DNA

none of these

RNA

double stranded DNA

none of these

preventing contamination by outside DNA

separating the different rRNA gene sequences in the mixture

the amplification process