Cell Cultures and Characteristics Treponema species from human oral cavity can be selected by using pH of the medium cell size and motility all of these incubation temperature pH of the medium cell size and motility all of these incubation temperature ANSWER DOWNLOAD EXAMIANS APP
Cell Cultures and Characteristics When a substance is added to a solid medium which inhibits the growth of unwanted bacteria but permits the growth of wanted bacteria, it is known as differential medium enriched medium selective medium enrichment medium differential medium enriched medium selective medium enrichment medium ANSWER DOWNLOAD EXAMIANS APP
Cell Cultures and Characteristics Intestinal bacteria can grow in the presence of __________ whereas nonintestinal bacteria are usually inhibited. bile salts low levels of nitrogen sugars low concentration of various dyes bile salts low levels of nitrogen sugars low concentration of various dyes ANSWER DOWNLOAD EXAMIANS APP
Cell Cultures and Characteristics Which of the following problem makes it impossible to satisfy all of Koch's postulates? 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 Microorganism cannot be isolated in pure culture 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? Spread plate Streak plate technique Pour plate Both (a) and (b) Spread plate Streak plate technique Pour plate Both (a) and (b) ANSWER DOWNLOAD EXAMIANS APP
Cell Cultures and Characteristics A medium containing crystal violet dye plus sodium deoxycholate will allow aquatic bacteria to grow gram (+)ve intestinal bacteria to grow none of these gram (-)ve intestinal bacteria to grow aquatic bacteria to grow gram (+)ve intestinal bacteria to grow none of these gram (-)ve intestinal bacteria to grow ANSWER DOWNLOAD EXAMIANS APP
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