Cell Cultures and Characteristics Pseudomonas aeruginosa forms a blue water soluble pigment called pyoverdin β-carotene pyocyanin chlororaphin pyoverdin β-carotene pyocyanin chlororaphin 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 Which of the following bacteria can grow in acidic pH? Shigella Salmonella Lactobacilli Vibrio cholerae Shigella Salmonella Lactobacilli Vibrio cholerae 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 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 When a substance is added to a solid medium which inhibits the growth of unwanted bacteria but permits the growth of wanted bacteria, it is known as enrichment medium enriched medium selective medium differential medium enrichment medium enriched medium selective medium differential medium ANSWER DOWNLOAD EXAMIANS APP
Cell Cultures and Characteristics A disease producing species occurring in a mixed culture can often be selected on the basis of its pathogenic properties special nitrogen source special carbon source none of these pathogenic properties special nitrogen source special carbon source none of these ANSWER DOWNLOAD EXAMIANS APP