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Multiple Choice
Which of the following statements about conjugation is false? i. Conjugation is a form of horizontal gene transfer. ii. Conjugation forms a bridge between two bacterial cells called a plasmid. iii. Conjugation involves the transfer of genetic information via bacteriophages.
A
i only.
B
ii only.
C
iii only.
D
i and ii only.
E
ii and iii only.
F
i and iii only.
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Verified step by step guidance
1
Understand the concept of conjugation: Conjugation is a process in bacteria where genetic material is transferred from one bacterial cell to another through direct contact.
Identify the false statements: Review each statement to determine its accuracy based on the definition of conjugation.
Evaluate statement ii: Conjugation involves the formation of a bridge called a pilus, not a plasmid. A plasmid is a small DNA molecule within a cell that is physically separated from chromosomal DNA and can replicate independently.
Evaluate statement iii: Conjugation does not involve bacteriophages. Bacteriophages are viruses that infect bacteria, and their involvement is characteristic of transduction, not conjugation.
Conclude which statements are false: Based on the evaluations, statements ii and iii are false because they incorrectly describe the process of conjugation.