Cell Cultures and Characteristics In the process of freeze drying, a dense cell suspension is placed in small vials and is frozen at -48 to -58°C -30 to -48°C -20 to -30°C -60 to -78°C -48 to -58°C -30 to -48°C -20 to -30°C -60 to -78°C 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? Streak plate technique Spread plate Pour plate Both (a) and (b) Streak plate technique Spread plate Pour plate Both (a) and (b) 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 A disease producing species occurring in a mixed culture can often be selected on the basis of its pathogenic properties special carbon source special nitrogen source none of these pathogenic properties special carbon source special nitrogen source none of these ANSWER DOWNLOAD EXAMIANS APP
Cell Cultures and Characteristics Cell counting can be carried out by All of these direct microscopic count using petroffhansser counting chamber plate counting membrane filter count All of these direct microscopic count using petroffhansser counting chamber plate counting membrane filter count ANSWER DOWNLOAD EXAMIANS APP
Cell Cultures and Characteristics When a substance is added to a liquid medium which inhibits the growth of unwanted bacteria and favors the growth of wanted bacteria, it is known as selective medium differential medium enrichment medium enriched medium selective medium differential medium enrichment medium enriched medium ANSWER DOWNLOAD EXAMIANS APP
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