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Questions and Answers
What is the main characteristic of an operon?
What is the main characteristic of an operon?
- It produces multiple mRNAs using one promoter
- It produces a single mRNA using multiple promoters
- It contains a set of genes transcribed using one promoter (correct)
- It contains multiple promoters
Which type of operon requires the presence of a substrate to induce the expression of genes?
Which type of operon requires the presence of a substrate to induce the expression of genes?
- Anabolic operons
- Metabolic operons
- Inducible operons (correct)
- Repressible operons
What is the function of repressible operons?
What is the function of repressible operons?
- They require the presence of a substrate to induce gene expression
- They produce proteins when needed (correct)
- They make proteins when they are already available in the cell
- They break down substrates when present
Which operon is an example of an inducible operon in bacteria?
Which operon is an example of an inducible operon in bacteria?
What are the types of operons mentioned in the text?
What are the types of operons mentioned in the text?
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