Technologies are developed based on which factors? Select all that apply: * They are developed based on the equipment available in the laboratory.
They are developed based on the needs or wants of individuals.
They are developed based on the needs or wants of society as a whole.
They are developed randomly without regard to needs or wants.

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.