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 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 Microorganism cannot be isolated in pure culture Species of microorganism is in question Microorganism causes serious symptoms in humans Genes from the microorganism cannot be amplified by PCR Microorganism cannot be isolated in pure culture Species of microorganism is in question ANSWER DOWNLOAD EXAMIANS APP
Cell Cultures and Characteristics For the selection of lactobacilli present in cheddar cheese, the pH of the medium is maintained at 6.35 5.35 5.75 4.35 6.35 5.35 5.75 4.35 ANSWER DOWNLOAD EXAMIANS APP
Cell Cultures and Characteristics To select cholera-causing bacterium, Vibrio cholerae, the pH of the medium is maintained at a pH of 8.5 6.79 3.5 8.90 8.5 6.79 3.5 8.90 ANSWER DOWNLOAD EXAMIANS APP
Cell Cultures and Characteristics Which of the following hint(s) suggest/s that a given specimen is likely to contain anaerobic bacteria? Presence of sulphur granules Foul odour Gas in specimen All of these Presence of sulphur granules Foul odour Gas in specimen All of these ANSWER DOWNLOAD EXAMIANS APP
Cell Cultures and Characteristics Which of the following is used for the proper maintenance and preservation of pure cultures? All of these Periodic transfer to fresh media Preservation by lyophilization Preservation by overlaying cultures with mineral oil All of these Periodic transfer to fresh media Preservation by lyophilization Preservation by overlaying cultures with mineral oil ANSWER DOWNLOAD EXAMIANS APP