Cell Cultures and Characteristics Which of the following is used for the proper maintenance and preservation of pure cultures? All of these Periodic transfer to fresh media Preservation by lyophilization Preservation by overlaying cultures with mineral oil All of these Periodic transfer to fresh media Preservation by lyophilization Preservation by overlaying cultures with mineral oil ANSWER DOWNLOAD EXAMIANS APP
Cell Cultures and Characteristics Plate counts are often reported as thousands/ml cfu/ml cfu Both (a) and (b) thousands/ml cfu/ml cfu Both (a) and (b) ANSWER DOWNLOAD EXAMIANS APP
Cell Cultures and Characteristics Which of the following bacteria dies quickly after drying? Treponema pallidium Staphylococcus aureus Pseudomonas aeruginosa Mycobacterium tuberculosis Treponema pallidium Staphylococcus aureus Pseudomonas aeruginosa Mycobacterium tuberculosis ANSWER DOWNLOAD EXAMIANS APP
Cell Cultures and Characteristics For the selection of lactobacilli present in cheddar cheese, the pH of the medium is maintained at 5.75 5.35 4.35 6.35 5.75 5.35 4.35 6.35 ANSWER DOWNLOAD EXAMIANS APP
Cell Cultures and Characteristics Cell counting can be carried out by direct microscopic count using petroffhansser counting chamber plate counting membrane filter count All of these direct microscopic count using petroffhansser counting chamber plate counting membrane filter count All of these 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 -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
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