d growth of Gram-negative organisms on the PEA plate you inoculated, does this negate the usefulness of the PEA as a selective medium? Why or why not?…

If you observed growth of Gram-negative organisms on the PEA plate you inoculated, does this negate the usefulness of the PEA as a selective medium? Why or why not? Compare the growth on the NA and the PEA plates).