Identify the spectator ions in this reaction. Check all that apply. H+ + CN- + Lit + OH- → Lit + CN- + H20
H+
CN-
Lit
OOH
H20
DONE

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.