Cell Cultures and Characteristics Which of the following problem makes it impossible to satisfy all of Koch's postulates? Microorganism causes serious symptoms in humans Genes from the microorganism cannot be amplified by PCR Species of microorganism is in question Microorganism cannot be isolated in pure culture Microorganism causes serious symptoms in humans Genes from the microorganism cannot be amplified by PCR Species of microorganism is in question Microorganism cannot be isolated in pure culture ANSWER DOWNLOAD EXAMIANS APP
Cell Cultures and Characteristics The concentration of agar to obtain semi solid media is 1.5-20% 0.5% or less >10% >10%but<20% 1.5-20% 0.5% or less >10% >10%but<20% ANSWER DOWNLOAD EXAMIANS APP
Cell Cultures and Characteristics Mac-Conkey medium is an example of enrichment medium all of these transport medium differential medium enrichment medium all of these transport medium differential medium ANSWER DOWNLOAD EXAMIANS APP
Cell Cultures and Characteristics Cell size and cell number can be measured using hemocytometer none of these coulter counter petroff-hausser counting chamber hemocytometer none of these coulter counter petroff-hausser counting chamber ANSWER DOWNLOAD EXAMIANS APP
Cell Cultures and Characteristics When a substance is added to a liquid medium which inhibits the growth of unwanted bacteria and favors the growth of wanted bacteria, it is known as enrichment medium enriched medium differential medium selective medium enrichment medium enriched medium differential medium selective medium ANSWER DOWNLOAD EXAMIANS APP
Cell Cultures and Characteristics Which of the following methods is most likely to be quantitative? Gram staining Wet mount Dilution and plating None of these Gram staining Wet mount Dilution and plating None of these ANSWER DOWNLOAD EXAMIANS APP