The given diagram shows the process of conjugation in bacteria.The option that correctly identifies the labelled structure X, cells Y and Z is
Correct answer: B. B
- A. A
- B. B
- C. C
- D. D
Explanation
Structure X is pilus. Bacteria possessing the F plasmid are designated as F+. So Y is F+.Bacteria lacking the F plasmid are designated as F-. So Z is F-.. This makes option B correct. All other options are incorrect.
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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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