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PTECH Microbiology QUESTION #3310
Question 1
A 'Selective' culture medium is one that:
  • Allows all bacteria to grow
  • Inhibits the growth of some microbes while allowing others✔️
  • Changes color based on fermentation
  • Is made of only water
Correct Answer Explanation
Selective media (like MacConkey agar) help isolate specific groups of bacteria.