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 Species of microorganism is in question Microorganism causes serious symptoms in humans Microorganism cannot be isolated in pure culture Genes from the microorganism cannot be amplified by PCR Species of microorganism is in question Microorganism causes serious symptoms in humans Microorganism cannot be isolated in pure culture ANSWER DOWNLOAD EXAMIANS APP
Cell Cultures and Characteristics All bacteria that inhabit the human body are heterotrophs phototroph chemolithotrophs autotrophs heterotrophs phototroph chemolithotrophs autotrophs ANSWER DOWNLOAD EXAMIANS APP
Cell Cultures and Characteristics Peptone water and nutrient broth are selective media basal media none of these enriched media selective media basal media none of these enriched media ANSWER DOWNLOAD EXAMIANS APP
Cell Cultures and Characteristics Which of the following is used for the proper maintenance and preservation of pure cultures? 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 All of these Periodic transfer to fresh media ANSWER DOWNLOAD EXAMIANS APP
Cell Cultures and Characteristics In the pour plate method, the mixed culture is diluted directly in tubes of both (a) and (b) sterile liquid usually water liquid agar medium none of these both (a) and (b) sterile liquid usually water liquid agar medium none of these 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 4.35 5.35 6.35 5.75 4.35 5.35 6.35 5.75 ANSWER DOWNLOAD EXAMIANS APP
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