Cell Cultures and Characteristics Intestinal bacteria can grow in the presence of __________ whereas nonintestinal bacteria are usually inhibited. low concentration of various dyes bile salts sugars low levels of nitrogen low concentration of various dyes bile salts sugars low levels of nitrogen ANSWER DOWNLOAD EXAMIANS APP
Cell Cultures and Characteristics Which of the following bacteria dies quickly after drying? Mycobacterium tuberculosis Staphylococcus aureus Treponema pallidium Pseudomonas aeruginosa Mycobacterium tuberculosis Staphylococcus aureus Treponema pallidium Pseudomonas aeruginosa 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 enrichment medium selective medium differential medium none of these enrichment medium selective medium differential medium none of these 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 Which of the following problem makes it impossible to satisfy all of Koch's postulates? 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 Species of microorganism is in question Microorganism causes serious symptoms in humans Genes from the microorganism cannot be amplified by PCR ANSWER DOWNLOAD EXAMIANS APP
Cell Cultures and Characteristics For the selection of lactobacilli present in cheddar cheese, the pH of the medium is maintained at 4.35 6.35 5.35 5.75 4.35 6.35 5.35 5.75 ANSWER DOWNLOAD EXAMIANS APP