A culture medium such as EMB, Eosin Methylene Blue is both selective and differential. What is it selective for?Group of answer choicesGram positiveGram negative

what does a selective medium contain

_______________ is an example of a medium that is selective and differential

Which of the following can be used as a positive contrast agent for a cystogram?Group of answer choicesSalineBarium contrastIodinated contrastRoom air

Which substance is a negative control in all parts of this lab?

You are preparing a growth medium for an isolate that you obtained from a patient. You are adding yeast extract, glucose, peptones, malt extract, and ampicillin. Which kind of medium are you preparing?ANSWERDefined and differentialDefined and selectiveComplex and differentialComplex and selective