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 Genes from the microorganism cannot be amplified by PCR Species of microorganism is in question Microorganism causes serious symptoms in humans Microorganism cannot be isolated in pure culture Genes from the microorganism cannot be amplified by PCR Species of microorganism is in question Microorganism causes serious symptoms in humans ANSWER DOWNLOAD EXAMIANS APP
Cell Cultures and Characteristics Plate counts are often reported as cfu thousands/ml cfu/ml Both (a) and (b) cfu thousands/ml cfu/ml Both (a) and (b) 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 differential medium selective medium enrichment medium none of these differential medium selective medium enrichment medium ANSWER DOWNLOAD EXAMIANS APP
Cell Cultures and Characteristics Agar is used for solidifying culture media because the melting and solidifying points of agar solution are not the same it does not affect by the growth of bacteria All of these it does not add to the nutritive properties of the medium the melting and solidifying points of agar solution are not the same it does not affect by the growth of bacteria All of these it does not add to the nutritive properties of the medium 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 5.35 4.35 5.75 6.35 5.35 4.35 5.75 6.35 ANSWER DOWNLOAD EXAMIANS APP
Cell Cultures and Characteristics Selective media facilitate growth of only one kind of organism. Saboraud medium is used to selectively isolate gram positive bacteria coliform bacteria yeasts acid fast organisms gram positive bacteria coliform bacteria yeasts acid fast organisms ANSWER DOWNLOAD EXAMIANS APP
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