CELL CULTURES AND CHARACTERISTICS QUIZ

Microorganism causes serious symptoms in humans

Species of microorganism is in question

Genes from the microorganism cannot be amplified by PCR

Microorganism cannot be isolated in pure culture

Loeffler's serum slope

Blood agar

Bordet-gengou medium

All of these

None of these

Trimethoprim

Polymyxin

Vacomycin

cell size and motility

incubation temperature

all of these

pH of the medium

All of these

it does not add to the nutritive properties of the medium

it does not affect by the growth of bacteria

the melting and solidifying points of agar solution are not the same

Shigella

Salmonella

Lactobacilli

Vibrio cholerae

direct microscopic count using petroffhansser counting chamber

All of these

membrane filter count

plate counting

>10%but<20%

0.5% or less

1.5-20%

>10%

petroff-hausser counting chamber

coulter counter

hemocytometer

none of these

-48 to -58°C

-20 to -30°C

-30 to -48°C

-60 to -78°C