Bacteria are classified into Gram-positive and Gram-negative based on:
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Correct answer: Sex pili
Sex pili are specialized elongated tubular structures made of a protein called pilin. They facilitate the process of conjugation, which involves the transfer of DNA between bacteria.
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More Prokaryotic Cell Structure questions
- In cyanobacteria, there are other membranous extensions into the cytoplasm which contain pigments, called:
- The 'S' in 70S ribosome stands for:
- What is the primary function of the bacterial cell wall?
- Which of the following prokaryotic structures is used for 'mating' or exchange of genetic material?
- The plasma membrane of prokaryotes is:
- A comma-shaped bacterium is known as: