Multiple choice

Which of the following is FALSE about bacterial flagella?

  1. They are made up of a hollow, rigid protein tube.

  2. They use cytoplasmic ATP as their primary energy source.

  3. They spin either clockwise or anticlockwise.

  4. They are mainly made up of a single protein called flagellin.
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

They use cytoplasmic ATP as their primary energy source. Bacterial flagella help the bacteria to move in its environment. It is driven by a rotary engine present at its base, by proton motive force.

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