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 Species of microorganism is in question Microorganism cannot be isolated in pure culture Microorganism causes serious symptoms in humans Genes from the microorganism cannot be amplified by PCR Species of microorganism is in question Microorganism cannot be isolated in pure culture ANSWER DOWNLOAD EXAMIANS APP
Cell Cultures and Characteristics Which of the following techniques may be performed quantitatively to determine the number of bacteria of a particular type? Spread plate Pour plate Both (a) and (b) Streak plate technique Spread plate Pour plate Both (a) and (b) Streak plate technique ANSWER DOWNLOAD EXAMIANS APP
Cell Cultures and Characteristics Important example(s) of enriched medium/media is/ are All of these Loeffler's serum slope Bordet-gengou medium Blood agar All of these Loeffler's serum slope Bordet-gengou medium Blood agar ANSWER DOWNLOAD EXAMIANS APP
Cell Cultures and Characteristics Treponema species from human oral cavity can be selected by using incubation temperature all of these pH of the medium cell size and motility incubation temperature all of these pH of the medium cell size and motility ANSWER DOWNLOAD EXAMIANS APP
Cell Cultures and Characteristics For the selection of endospore-forming bacteria, a mixed culture can be heated at 80°C for 10 minutes 90°C for 10 minutes 70°C for 10 minutes 60°C for 10 minutes 80°C for 10 minutes 90°C for 10 minutes 70°C for 10 minutes 60°C for 10 minutes ANSWER DOWNLOAD EXAMIANS APP
Cell Cultures and Characteristics Which of the following chemotherapeutic agents may affect the growth of Campylobacter jejuni? Vacomycin Polymyxin None of these Trimethoprim Vacomycin Polymyxin None of these Trimethoprim ANSWER DOWNLOAD EXAMIANS APP