Multiple Choice
In the context of organic chemistry reactions, how is indole production typically detected?
3. Acids and Bases
Organic Chemistry Reactions
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What is the result after an F+ donor transfers a strand of an F plasmid to an F- recipient in bacterial conjugation?
A
The F- recipient becomes F+.
B
The F- recipient becomes Hfr.
C
The F- recipient remains F-.
D
The F+ donor becomes F-.
Verified step by step guidance1
Understand the concept of bacterial conjugation: Bacterial conjugation is a process where genetic material is transferred from one bacterium (the donor) to another (the recipient) through direct contact.
Identify the role of the F plasmid: The F plasmid (fertility plasmid) contains genes that allow the donor bacterium to form a pilus, which is used to transfer genetic material to the recipient.
Recognize the difference between F+ and F- bacteria: F+ bacteria contain the F plasmid, while F- bacteria do not. During conjugation, the F+ donor transfers a copy of the F plasmid to the F- recipient.
Determine the outcome of the transfer: Once the F plasmid is transferred to the F- recipient, the recipient now possesses the F plasmid and becomes F+.
Conclude the process: The F+ donor remains F+ after the transfer, as it retains a copy of the F plasmid, while the F- recipient becomes F+.
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