Cell Cultures and Characteristics To select cholera-causing bacterium, Vibrio cholerae, the pH of the medium is maintained at a pH of 3.5 8.90 6.79 8.5 3.5 8.90 6.79 8.5 ANSWER DOWNLOAD EXAMIANS APP
Cell Cultures and Characteristics Pseudomonas aeruginosa forms a blue water soluble pigment called β-carotene pyoverdin chlororaphin pyocyanin β-carotene pyoverdin chlororaphin pyocyanin ANSWER DOWNLOAD EXAMIANS APP
Cell Cultures and Characteristics Which of the following bacteria dies quickly after drying? Mycobacterium tuberculosis Staphylococcus aureus Pseudomonas aeruginosa Treponema pallidium Mycobacterium tuberculosis Staphylococcus aureus Pseudomonas aeruginosa Treponema pallidium 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 differential medium none of these selective medium enrichment medium differential medium none of these selective medium enrichment medium ANSWER DOWNLOAD EXAMIANS APP
Cell Cultures and Characteristics Which of the following is used for the proper maintenance and preservation of pure cultures? All of these Preservation by lyophilization Periodic transfer to fresh media Preservation by overlaying cultures with mineral oil All of these Preservation by lyophilization Periodic transfer to fresh media Preservation by overlaying cultures with mineral oil ANSWER DOWNLOAD EXAMIANS APP
Cell Cultures and Characteristics Which of the following methods is most likely to be quantitative? Wet mount Dilution and plating None of these Gram staining Wet mount Dilution and plating None of these Gram staining ANSWER DOWNLOAD EXAMIANS APP
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