Cell Cultures and Characteristics The concentration of agar to obtain semi solid media is 1.5-20% >10%but<20% >10% 0.5% or less 1.5-20% >10%but<20% >10% 0.5% or less 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 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? Both (a) and (b) Pour plate Spread plate Streak plate technique Both (a) and (b) Pour plate Spread plate Streak plate technique ANSWER DOWNLOAD EXAMIANS APP
Cell Cultures and Characteristics Which of the following problem makes it impossible to satisfy all of Koch's postulates? Species of microorganism is in question Microorganism cannot be isolated in pure culture Genes from the microorganism cannot be amplified by PCR Microorganism causes serious symptoms in humans Species of microorganism is in question Microorganism cannot be isolated in pure culture Genes from the microorganism cannot be amplified by PCR Microorganism causes serious symptoms in humans ANSWER DOWNLOAD EXAMIANS APP
Cell Cultures and Characteristics Which of the following chemotherapeutic agents may affect the growth of Campylobacter jejuni? Polymyxin Trimethoprim None of these Vacomycin Polymyxin Trimethoprim None of these Vacomycin 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 enrichment medium selective medium differential medium none of these enrichment medium selective medium ANSWER DOWNLOAD EXAMIANS APP
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