Cell Cultures and Characteristics In the process of freeze drying, a dense cell suspension is placed in small vials and is frozen at -30 to -48°C -60 to -78°C -20 to -30°C -48 to -58°C -30 to -48°C -60 to -78°C -20 to -30°C -48 to -58°C 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 enrichment medium enriched medium differential medium selective medium enrichment medium enriched medium differential medium selective medium 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 overlaying cultures with mineral oil All of these Preservation by lyophilization Periodic transfer to fresh media Preservation by overlaying cultures with mineral oil All of these Preservation by lyophilization Periodic transfer to fresh media ANSWER DOWNLOAD EXAMIANS APP
Cell Cultures and Characteristics Cell size and cell number can be measured using hemocytometer coulter counter none of these petroff-hausser counting chamber hemocytometer coulter counter none of these petroff-hausser counting chamber ANSWER DOWNLOAD EXAMIANS APP
Cell Cultures and Characteristics The solidifying agent commonly used in preparation of media is/are none of these agar both (a) and (b) silica gel none of these agar both (a) and (b) silica gel 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? Both (a) and (b) Streak plate technique Spread plate Pour plate Both (a) and (b) Streak plate technique Spread plate Pour plate ANSWER DOWNLOAD EXAMIANS APP