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 Both (a) and (b) Pour plate Streak plate technique Spread plate Both (a) and (b) Pour plate Streak plate technique ANSWER DOWNLOAD EXAMIANS APP
Cell Cultures and Characteristics Intestinal bacteria can grow in the presence of __________ whereas nonintestinal bacteria are usually inhibited. low levels of nitrogen low concentration of various dyes sugars bile salts low levels of nitrogen low concentration of various dyes sugars bile salts ANSWER DOWNLOAD EXAMIANS APP
Cell Cultures and Characteristics Which of the following bacteria dies quickly after drying? Mycobacterium tuberculosis Treponema pallidium Staphylococcus aureus Pseudomonas aeruginosa Mycobacterium tuberculosis Treponema pallidium Staphylococcus aureus Pseudomonas aeruginosa ANSWER DOWNLOAD EXAMIANS APP
Cell Cultures and Characteristics Important example(s) of enriched medium/media is/ are Bordet-gengou medium Loeffler's serum slope Blood agar All of these Bordet-gengou medium Loeffler's serum slope Blood agar All of these 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 Microorganism causes serious symptoms in humans Species of microorganism is in question Genes from the microorganism cannot be amplified by PCR Microorganism cannot be isolated in pure culture Microorganism causes serious symptoms in humans Species of microorganism is in question Genes from the microorganism cannot be amplified by PCR 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 70°C for 10 minutes 90°C for 10 minutes 60°C for 10 minutes 80°C for 10 minutes 70°C for 10 minutes 90°C for 10 minutes 60°C for 10 minutes ANSWER DOWNLOAD EXAMIANS APP