Cell Cultures and Characteristics Which of the following is used for the proper maintenance and preservation of pure cultures? 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 Preservation by lyophilization ANSWER DOWNLOAD EXAMIANS APP
Cell Cultures and Characteristics When a substance is added to a liquid medium which inhibits the growth of unwanted bacteria and favors the growth of wanted bacteria, it is known as selective medium enriched medium enrichment medium differential medium selective medium enriched medium enrichment medium differential medium ANSWER DOWNLOAD EXAMIANS APP
Cell Cultures and Characteristics Agar is used for solidifying culture media because the melting and solidifying points of agar solution are not the same it does not add to the nutritive properties of the medium it does not affect by the growth of bacteria All of these the melting and solidifying points of agar solution are not the same it does not add to the nutritive properties of the medium it does not affect by the growth of bacteria All of these ANSWER DOWNLOAD EXAMIANS APP
Cell Cultures and Characteristics The concentration of agar to obtain semi solid media is 0.5% or less >10%but<20% >10% 1.5-20% 0.5% or less >10%but<20% >10% 1.5-20% ANSWER DOWNLOAD EXAMIANS APP
Cell Cultures and Characteristics Which of the following bacteria can grow in alkaline pH? Shigella Salmonella Lactobacilli Vibrio cholerae Shigella Salmonella Lactobacilli Vibrio cholerae ANSWER DOWNLOAD EXAMIANS APP
Cell Cultures and Characteristics Cell counting can be carried out by direct microscopic count using petroffhansser counting chamber All of these plate counting membrane filter count direct microscopic count using petroffhansser counting chamber All of these plate counting membrane filter count ANSWER DOWNLOAD EXAMIANS APP