With respect to bacterial pilus, which of the following statements is not true?

Question

With respect to bacterial pilus, which of the following statements is not true? (A) They are made up of pilin protein. (B) They are shorter than flagella. (C) They help in genetic recombination. (D) They play an important role in movement.

Tardigrade Admin · Accepted Answer

Pilus or pili are surface structures of the bacteria but do not play a role in motility. The pili are elongated tubular structures made up of a special protein. In some bacteria, they are known to help attach the bacteria to rocks in streams and also to the host tissues.

Q. With respect to bacterial pilus, which of the following statements is not true?

They are made up of pilin protein.

They are shorter than flagella.

They help in genetic recombination.

They play an important role in movement.

Pilus or pili are surface structures of the bacteria but do not play a role in motility. The pili are elongated tubular structures made up of a special protein. In some bacteria, they are known to help attach the bacteria to rocks in streams and also to the host tissues.