Cell Cultures and Characteristics Intestinal bacteria can grow in the presence of __________ whereas nonintestinal bacteria are usually inhibited. low levels of nitrogen sugars bile salts low concentration of various dyes low levels of nitrogen sugars bile salts low concentration of various dyes 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? Pour plate Streak plate technique Both (a) and (b) Spread plate Pour plate Streak plate technique Both (a) and (b) Spread plate ANSWER DOWNLOAD EXAMIANS APP
Cell Cultures and Characteristics For the selection of endospore-forming bacteria, a mixed culture can be heated at 70°C for 10 minutes 80°C for 10 minutes 90°C for 10 minutes 60°C for 10 minutes 70°C for 10 minutes 80°C for 10 minutes 90°C for 10 minutes 60°C for 10 minutes ANSWER DOWNLOAD EXAMIANS APP
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 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 Microorganism cannot be isolated in pure culture Species of microorganism is in question ANSWER DOWNLOAD EXAMIANS APP
Cell Cultures and Characteristics Which of the following methods is most likely to be quantitative? Dilution and plating Gram staining Wet mount None of these Dilution and plating Gram staining Wet mount None of these ANSWER DOWNLOAD EXAMIANS APP
Cell Cultures and Characteristics The medium which allows the growth of more than one microorganisms of interest but with morphologically distinguishable colonies is known as none of these enrichment medium selective medium differential medium none of these enrichment medium selective medium differential medium ANSWER DOWNLOAD EXAMIANS APP
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