Cell Cultures and Characteristics Which of the following is used for the proper maintenance and preservation of pure cultures? Periodic transfer to fresh media Preservation by lyophilization All of these Preservation by overlaying cultures with mineral oil Periodic transfer to fresh media Preservation by lyophilization All of these Preservation by overlaying cultures with mineral oil 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 Microorganism cannot be isolated in pure culture Species of microorganism is in question Genes from the microorganism cannot be amplified by PCR Microorganism causes serious symptoms in humans Microorganism cannot be isolated in pure culture Species of microorganism is in question Genes from the microorganism cannot be amplified by PCR ANSWER DOWNLOAD EXAMIANS APP
Cell Cultures and Characteristics Important example(s) of enriched medium/media is/ are All of these Blood agar Loeffler's serum slope Bordet-gengou medium All of these Blood agar Loeffler's serum slope Bordet-gengou medium ANSWER DOWNLOAD EXAMIANS APP
Cell Cultures and Characteristics Which of the following methods is most likely to be quantitative? Dilution and plating Gram staining Wet mount None of these Dilution and plating Gram staining Wet mount None of these ANSWER DOWNLOAD EXAMIANS APP
Cell Cultures and Characteristics Pseudomonas aeruginosa forms a blue water soluble pigment called pyocyanin chlororaphin β-carotene pyoverdin pyocyanin chlororaphin β-carotene pyoverdin 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 5.75 5.35 4.35 6.35 5.75 5.35 4.35 ANSWER DOWNLOAD EXAMIANS APP
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