Select the wrong statement.

Select the wrong statement.
  1. Bacterial cell wall is made up of peptidoglycan
  2. Pili and fimbriae are mainly involved in motility of bacterial cells
  3. Cyanobacteria lack flagellated cells
  4. Mycoplasma is a wall - less microorganism

Solution

Pili and fimbriae are surface structures of bacteria that do not play a role in motility. Pili and fimbriae are elongated, hollow appendages seen in Gram-negative bacteria made of a unique protein, pilin. They serve in the attachment of bacteria with substratum and not in movement.

Asked in: NEET 2016 (Phase 2)

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