Cell Cultures and Characteristics Intestinal bacteria can grow in the presence of __________ whereas nonintestinal bacteria are usually inhibited. low concentration of various dyes low levels of nitrogen bile salts sugars low concentration of various dyes low levels of nitrogen bile salts sugars ANSWER DOWNLOAD EXAMIANS APP
Cell Cultures and Characteristics In the pour plate method, the mixed culture is diluted directly in tubes of sterile liquid usually water none of these liquid agar medium both (a) and (b) sterile liquid usually water none of these liquid agar medium both (a) and (b) ANSWER DOWNLOAD EXAMIANS APP
Cell Cultures and Characteristics To select cholera-causing bacterium, Vibrio cholerae, the pH of the medium is maintained at a pH of 8.5 6.79 3.5 8.90 8.5 6.79 3.5 8.90 ANSWER DOWNLOAD EXAMIANS APP
Cell Cultures and Characteristics The solidifying agent commonly used in preparation of media is/are silica gel agar none of these both (a) and (b) silica gel agar none of these both (a) and (b) ANSWER DOWNLOAD EXAMIANS APP
Cell Cultures and Characteristics All bacteria that inhabit the human body are phototroph autotrophs chemolithotrophs heterotrophs phototroph autotrophs chemolithotrophs heterotrophs ANSWER DOWNLOAD EXAMIANS APP
Cell Cultures and Characteristics Which of the following is used for the proper maintenance and preservation of pure cultures? Preservation by lyophilization Periodic transfer to fresh media All of these Preservation by overlaying cultures with mineral oil Preservation by lyophilization Periodic transfer to fresh media All of these Preservation by overlaying cultures with mineral oil ANSWER DOWNLOAD EXAMIANS APP