Question

You are observing a culture plate on which bacteria seem to have grown over the entire...

You are observing a culture plate on which bacteria seem to have grown over the entire plate (even areas that weren’t inoculated!). The organism on this plate most likely possesses which of the following structures that allow it to do this?

1.Endospores
2.Pili
3.Capsules
4.Flagella
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Answer #1

The correct answer is option D that is Flagella because flagella helps bacteria to move their whole body and that is why by using it in plates bacteria would have moved and went to the area that you did not inoculate and observed the bacterial growth.

Endospores and capsules are for the protection of bacteria and not related to the movement of the bacteria. So option A and C are not the correct answers.

Pilli is for the minor movements like psuedopodial movements in bacteria and that can't cause bacteria to move to the other area. So, option C is again the wrong answer.

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