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 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 Microorganism cannot be isolated in pure culture Microorganism causes serious symptoms in humans ANSWER DOWNLOAD EXAMIANS APP
Cell Cultures and Characteristics In the process of freeze drying, a dense cell suspension is placed in small vials and is frozen at -60 to -78°C -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 ANSWER DOWNLOAD EXAMIANS APP
Cell Cultures and Characteristics Which of the following chemotherapeutic agents may affect the growth of Campylobacter jejuni? None of these Vacomycin Polymyxin Trimethoprim None of these Vacomycin Polymyxin Trimethoprim ANSWER DOWNLOAD EXAMIANS APP
Cell Cultures and Characteristics Cell size and cell number can be measured using petroff-hausser counting chamber hemocytometer none of these coulter counter petroff-hausser counting chamber hemocytometer none of these coulter counter ANSWER DOWNLOAD EXAMIANS APP
Cell Cultures and Characteristics Intestinal bacteria can grow in the presence of __________ whereas nonintestinal bacteria are usually inhibited. sugars low levels of nitrogen bile salts low concentration of various dyes sugars low levels of nitrogen bile salts low concentration of various dyes 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 enrichment medium selective medium differential medium enriched medium enrichment medium selective medium differential medium enriched medium ANSWER DOWNLOAD EXAMIANS APP
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