Multiple choice

Which of the following statements are true about bacterial cell?

  1. The bacterial cell wall is composed of chitin.
  2. The cytoplasm of a bacterium is supported by microtubules.
  3. A gram-positive bacterium is stained purple by the gram stain.
  4. Bacterial flagella propel the cell by using a rotating motion.

  1. Only 1 and 2

  2. Only 1 and 3

  3. Only 2 and 3

  4. Only 2 and 4

  5. Only 3 and 4
Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

Both are true statements. A gram-positive bacterium is stained purple by the gram stain. Bacterial flagella propel the cell by using a rotating motion.

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