<prompt> Mac Conkey medium is an example of:Enrichment mediaDifferential mediaEnriched mediaTransport media  <response>: Ans. b Differential media Ref: Microbiology by Ananthanarayan and Paniker 8th ed. 40 DIFFERENTIAL MEDIA OR INDICATOR MEDIA It distinguishes one microorganism type from another growing on the same media. This type of media is used for the detection of microorganisms and by molecular biologists to detect recombinant strains of bacteria. Examples of differential media include: Blood agar Eosin methylene blue EMB MacConkey MCK Mannitol salt agar MSA Also, Know Mac Conkey agar is a culture medium designed to grow Gram-negative bacteria and differentiate them for lactose fermentation. It consists of Peptone, Lactose, Agar neutral red and taurocholate shows up lactose fermenters as PINK COLONIES Nonlactose Fermenters are colorless. It is a selective and differential medium - both. 