🎴 Flashcard Mode
Methods in Microbiology, Enzymes, and Plant Biology
Card1 / 15
Mastered0
Review0
QuestionClick to flip
Which among the following mediums are selective for Gram-negative bacteria?
a. Hektoen enteric agar
b. MacConkey agar
c. Mannitol salt agar
d. Yeast Malt Agar
AnswerClick to flip back
A
1 and 2
💡 Explanation:
This option is correct because Hektoen Enteric Agar is a selective and differential agar for the isolation and cultivation of the gram-negative enteric microorganisms, especially Salmonella and Shigella.
MacConkey Agar is a selective and differential medium designed to isolate and differentiate enterics based on their ability to ferment lactose.