Question

To determine if the type of Agar affects bacteria growth, and he signed his culture of E. coli on four different types of Agar. All of the petri dishes receive the same vilume if agar And were the same size and shape during the exam the temperature of the dishes were stored in the air quality remain the same. What are the dependent and independent variable’s

Answer 1

It is the selective and differential medium for coliforms. YM (yeast extract, malt extract agar) has a low pH, deterring bacterial growth. MacConkey agar is for Gram-negative bacteria.