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 -20 to -30°C -30 to -48°C -60 to -78°C -48 to -58°C -20 to -30°C -30 to -48°C ANSWER DOWNLOAD EXAMIANS APP
Cell Cultures and Characteristics Cell size and cell number can be measured using petroff-hausser counting chamber coulter counter hemocytometer none of these petroff-hausser counting chamber coulter counter hemocytometer none of these ANSWER DOWNLOAD EXAMIANS APP
Cell Cultures and Characteristics Selective media facilitate growth of only one kind of organism. Saboraud medium is used to selectively isolate yeasts gram positive bacteria coliform bacteria acid fast organisms yeasts gram positive bacteria coliform bacteria acid fast organisms ANSWER DOWNLOAD EXAMIANS APP
Cell Cultures and Characteristics In the pour plate method, the mixed culture is diluted directly in tubes of liquid agar medium none of these both (a) and (b) sterile liquid usually water liquid agar medium none of these both (a) and (b) sterile liquid usually water 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 All of these Periodic transfer to fresh media Preservation by overlaying cultures with mineral oil Preservation by lyophilization All of these Periodic transfer to fresh media 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 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 Microorganism causes serious symptoms in humans ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS