Which of the following is a characteristic feature of Mycobacterium species?

Practice Questions

Q1
Which of the following is a characteristic feature of Mycobacterium species?
  1. Gram-positive cocci
  2. Acid-fast bacilli
  3. Spore-forming rods
  4. Non-motile spirilla

Questions & Step-by-Step Solutions

Which of the following is a characteristic feature of Mycobacterium species?
  • Step 1: Understand that Mycobacterium species are a type of bacteria.
  • Step 2: Learn that these bacteria have a special feature called a 'waxy cell wall'.
  • Step 3: Know that this waxy cell wall makes them resistant to certain stains used in laboratories.
  • Step 4: Recognize that because of this property, Mycobacterium species are called 'acid-fast bacilli'.
  • Step 5: Conclude that the characteristic feature of Mycobacterium species is their acid-fastness due to the waxy cell wall.
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