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 differential medium enriched medium selective medium enrichment medium differential medium enriched medium selective medium enrichment medium ANSWER DOWNLOAD EXAMIANS APP
Cell Cultures and Characteristics Treponema species from human oral cavity can be selected by using incubation temperature pH of the medium all of these cell size and motility incubation temperature pH of the medium all of these cell size and motility ANSWER DOWNLOAD EXAMIANS APP
Cell Cultures and Characteristics In the process of freeze drying, a dense cell suspension is placed in small vials and is frozen at -60 to -78°C -48 to -58°C -30 to -48°C -20 to -30°C -60 to -78°C -48 to -58°C -30 to -48°C -20 to -30°C ANSWER DOWNLOAD EXAMIANS APP
Cell Cultures and Characteristics Which of the following problem makes it impossible to satisfy all of Koch's postulates? Genes from the microorganism cannot be amplified by PCR Microorganism cannot be isolated in pure culture 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 Microorganism causes serious symptoms in humans Species of microorganism is in question ANSWER DOWNLOAD EXAMIANS APP
Cell Cultures and Characteristics Which of the following is used for the proper maintenance and preservation of pure cultures? Periodic transfer to fresh media All of these Preservation by overlaying cultures with mineral oil Preservation by lyophilization Periodic transfer to fresh media All of these Preservation by overlaying cultures with mineral oil Preservation by lyophilization ANSWER DOWNLOAD EXAMIANS APP
Cell Cultures and Characteristics Which of the following methods is most likely to be quantitative? Dilution and plating None of these Wet mount Gram staining Dilution and plating None of these Wet mount Gram staining ANSWER DOWNLOAD EXAMIANS APP
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