for the three types of media in the table, which medium (or media) is/are chemically defined? Medium A Medium B Medium C
Na2HPO4 Tide detergent Glucose
KH2PO4 Na2HPO4 Peptone
MgSO4 KH2PO4 (NH4)2SO4
CaCl2 MgSO4 KH2PO2
NaHCO3 (NH4)2SO4 Na2HPO4