You MAY re-write the symbols from above as follows to read the sentence: 3d2(rv) /3d5(-n, )3pó(-r), 5f9(-B), 4p4(rv) / 2s1 3dó /5f11(-s), 5d9(-u),
2p3(rv), 4f12 / 6s1(-C), 6p4(-P) / 2s2/ 4p6(-n), 5d7(-r), 4f4.

Consider a culture medium on which only gram-positive organisms such as staphylococcus aureus colonies can grow due to an elevated nacl level. a yellow halo surrounds the growth, indicating the bacterium fermented a sugar in the medium, decreasing the ph as a result and changing the color of a ph indicator chemical. this type of medium would be referred to as a differential and enrichment culture.