These are extremely thin, hair-like appendages of bacteria:
Correct answer: D. Flagella
- A. Attachment
- B. Fimbriae
- C. Sex pili
- D. Flagella
Explanation
Flagella are extremely thin hair like appendages, whereas pili are non-helical, filamentous appendages. Pili are smaller than flagella and are not involved in motility. They act as sex pili to make a conjugation tube on one hand and act as organ of attachment on other hand. An attachment pilus is also called fimbria.
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About Kingdom Prokaryotae
Kingdom Prokaryotae includes bacteria and cyanobacteria, organisms with no membrane-bound nucleus or membrane-bound organelles. It covers their cell wall, capsule, flagella, plasmids, forms of nutrition, binary fission, useful and harmful roles, and the differences between prokaryotic cells and eukaryotic cells.
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