The next set of questions are all related to the following operon: This figure represents the ABC operon, which is a negative inducible operon, and its associated regulatory gene. The structural genes produced by the operon convert molecule A into molecule D. When molecule A is present in the environment, it will bind to the regulatory protein, and operon expression will be induced. operator testR T testR promoter regulatory protein testP testo structural genes test2 test1 T test1 test2 Where is the regulatory protein when there is NO transcription? test3 test3 structural proteins It is floating in the cytoplasm (not attached to the operon) with molecule A attached. It is floating in the cytoplasm (not attached to the operon) without molecule A. It is bound to the operator without molecule A. It is bound to the operator with molecule A attached.
The next set of questions are all related to the following operon: This figure represents the ABC operon, which is a negative inducible operon, and its associated regulatory gene. The structural genes produced by the operon convert molecule A into molecule D. When molecule A is present in the environment, it will bind to the regulatory protein, and operon expression will be induced. operator testR T testR promoter regulatory protein testP testo structural genes test2 test1 T test1 test2 Where is the regulatory protein when there is NO transcription? test3 test3 structural proteins It is floating in the cytoplasm (not attached to the operon) with molecule A attached. It is floating in the cytoplasm (not attached to the operon) without molecule A. It is bound to the operator without molecule A. It is bound to the operator with molecule A attached.
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Question
Transcribed Image Text:**ABC Operon: Negative Inducible Operon Explanation**
This diagram illustrates the ABC operon, characterized as a negative inducible operon, along with its associated regulatory gene. The operon's structural genes are involved in the conversion of molecule A into molecule D. In the presence of molecule A, it binds to the regulatory protein, inducing the operon's expression.
**Diagram Details:**
- **Promoter**: Marks the beginning of the operon.
- **Operator**: Found within the operon, between the promoter and structural genes.
- **Structural Genes**: Includes test0, test1, test2, and test3, responsible for the production of structural proteins.
- **testR**: Regulatory gene upstream of the operon, responsible for producing a regulatory protein.
**Components:**
- **testP**: Promoter of the operon.
- **test0 to test3**: Sequence of structural genes.
- **Regulatory Protein**: Binds to the operator to regulate transcription.
**Question:**
Where is the regulatory protein when there is NO transcription?
- Floating in the cytoplasm (not attached to the operon) with molecule A attached.
- Floating in the cytoplasm (not attached to the operon) without molecule A.
- Bound to the operator without molecule A.
- Bound to the operator with molecule A attached.
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