Textbook Question
What characteristic of the light-producing regulatory circuit is consistent with the idea that it may be a regulon?
What characteristic of this circuit stretches the definition for a regulon?
16. Regulation of Expression
Prokaryotic Gene Regulation via Operons
Multiple Choice
Which of the following are the three main methods of gene transfer in bacteria?
A
Replication, transcription, and translation
B
Endocytosis, exocytosis, and phagocytosis
C
Binary fission, mitosis, and meiosis
D
Conjugation, transformation, and transduction
Verified step by step guidance1
Understand that gene transfer in bacteria refers to the movement of genetic material between bacterial cells, which can lead to genetic variation.
Identify the three main methods of gene transfer in bacteria: conjugation, transformation, and transduction.
Conjugation involves the direct transfer of DNA from one bacterial cell to another through a physical connection called a pilus.
Transformation is the uptake of free DNA from the environment by a bacterial cell, which can then integrate this DNA into its own genome.
Transduction is the process by which bacterial DNA is transferred from one bacterium to another by a virus, specifically a bacteriophage.
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