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 In the process of freeze drying, a dense cell suspension is placed in small vials and is frozen at -48 to -58°C -60 to -78°C -30 to -48°C -20 to -30°C -48 to -58°C -60 to -78°C -30 to -48°C -20 to -30°C 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 Preservation by overlaying cultures with mineral oil Periodic transfer to fresh media All of these Preservation by lyophilization Preservation by overlaying cultures with mineral oil Periodic transfer to fresh media All of these ANSWER DOWNLOAD EXAMIANS APP
Cell Cultures and Characteristics Plate counts are often reported as cfu/ml thousands/ml cfu Both (a) and (b) cfu/ml thousands/ml cfu Both (a) and (b) 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 none of these special carbon source pathogenic properties special nitrogen source none of these special carbon source pathogenic properties special nitrogen source 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 bile salts low concentration of various dyes sugars low levels of nitrogen bile salts low concentration of various dyes sugars ANSWER DOWNLOAD EXAMIANS APP
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