Cell Cultures and Characteristics For the selection of lactobacilli present in cheddar cheese, the pH of the medium is maintained at 4.35 6.35 5.35 5.75 4.35 6.35 5.35 5.75 ANSWER DOWNLOAD EXAMIANS APP
Cell Cultures and Characteristics Agar is used for solidifying culture media because it does not affect by the growth of bacteria it does not add to the nutritive properties of the medium the melting and solidifying points of agar solution are not the same All of these it does not affect by the growth of bacteria it does not add to the nutritive properties of the medium the melting and solidifying points of agar solution are not the same All of these ANSWER DOWNLOAD EXAMIANS APP
Cell Cultures and Characteristics Which of the following bacteria dies quickly after drying? Pseudomonas aeruginosa Staphylococcus aureus Mycobacterium tuberculosis Treponema pallidium Pseudomonas aeruginosa Staphylococcus aureus Mycobacterium tuberculosis Treponema pallidium ANSWER DOWNLOAD EXAMIANS APP
Cell Cultures and Characteristics Which of the following is used for the proper maintenance and preservation of pure cultures? 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 Periodic transfer to fresh media ANSWER DOWNLOAD EXAMIANS APP
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 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 enrichment medium enriched medium selective medium differential medium enrichment medium enriched medium selective medium differential medium ANSWER DOWNLOAD EXAMIANS APP