Cell Cultures and Characteristics Intestinal bacteria can grow in the presence of __________ whereas nonintestinal bacteria are usually inhibited. low levels of nitrogen sugars low concentration of various dyes bile salts low levels of nitrogen sugars low concentration of various dyes bile salts ANSWER DOWNLOAD EXAMIANS APP
Cell Cultures and Characteristics Which of the following hint(s) suggest/s that a given specimen is likely to contain anaerobic bacteria? Presence of sulphur granules Gas in specimen Foul odour All of these Presence of sulphur granules Gas in specimen Foul odour 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? Species of microorganism is in question Microorganism causes serious symptoms in humans Genes from the microorganism cannot be amplified by PCR Microorganism cannot be isolated in pure culture Species of microorganism is in question Microorganism causes serious symptoms in humans Genes from the microorganism cannot be amplified by PCR Microorganism cannot be isolated in pure culture ANSWER DOWNLOAD EXAMIANS APP
Cell Cultures and Characteristics The solidifying agent commonly used in preparation of media is/are agar none of these both (a) and (b) silica gel agar none of these both (a) and (b) silica gel ANSWER DOWNLOAD EXAMIANS APP
Cell Cultures and Characteristics Pseudomonas aeruginosa forms a blue water soluble pigment called β-carotene pyocyanin chlororaphin pyoverdin β-carotene pyocyanin chlororaphin pyoverdin 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 60°C for 10 minutes 90°C for 10 minutes 70°C for 10 minutes 80°C for 10 minutes 60°C for 10 minutes 90°C for 10 minutes 70°C for 10 minutes ANSWER DOWNLOAD EXAMIANS APP
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