Why isnât a sterile agar, e.g. TSA, that is to be poured into plates, melted then immediately poured? (why is it cooled to 50C before pouring?)
For the following media used in lab, list the âselectiveâ ingredients, the âindicatorâ ingredients, and the intended type of microbe that it is selective for and possible âdifferentialâ reactions.
(EMB, HE, MAC, mEnt)
Medium | Differential | Selective | Type of microbe | Reaction(s) |
EMB | | | | |
MAC | | | | |
HE | | | | |
mEnterococcus | | | | |