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During transcription, the site of DNA molecule at which RNA polymerase binds is called
- a)promoter
- b)regulator
- c)receptor
- d)enhancer
Correct answer is option 'A'. Can you explain this answer?
Most Upvoted Answer
During transcription, the site of DNA molecule at which RNA polymerase...
Answer:
Promoter:
The site on a DNA molecule where RNA polymerase binds during transcription is called a promoter. Promoters are specific sequences of DNA that are located near the beginning of a gene.
Function of Promoter:
- Promoters play a crucial role in initiating the process of transcription by providing a binding site for RNA polymerase.
- They help in determining the starting point for transcription and also regulate the expression of genes by controlling the rate of transcription.
Types of Promoters:
- There are different types of promoters such as constitutive promoters, which are always active, and inducible promoters, which are activated in response to specific signals or environmental conditions.
Structure of Promoter:
- Promoters consist of several components, including the TATA box, which is a short sequence of DNA that helps in positioning RNA polymerase at the correct site to start transcription.
- Other elements like enhancers and silencers may also be present in the promoter region, which can influence transcriptional activity.
Importance of Promoter:
- Promoters are essential for the proper regulation of gene expression in cells. They ensure that genes are transcribed at the right time and in the right amount, which is crucial for the normal functioning of living organisms.
In conclusion, the promoter is a critical component of the transcription process as it serves as the binding site for RNA polymerase and helps in initiating the synthesis of RNA from DNA.
Promoter:
The site on a DNA molecule where RNA polymerase binds during transcription is called a promoter. Promoters are specific sequences of DNA that are located near the beginning of a gene.
Function of Promoter:
- Promoters play a crucial role in initiating the process of transcription by providing a binding site for RNA polymerase.
- They help in determining the starting point for transcription and also regulate the expression of genes by controlling the rate of transcription.
Types of Promoters:
- There are different types of promoters such as constitutive promoters, which are always active, and inducible promoters, which are activated in response to specific signals or environmental conditions.
Structure of Promoter:
- Promoters consist of several components, including the TATA box, which is a short sequence of DNA that helps in positioning RNA polymerase at the correct site to start transcription.
- Other elements like enhancers and silencers may also be present in the promoter region, which can influence transcriptional activity.
Importance of Promoter:
- Promoters are essential for the proper regulation of gene expression in cells. They ensure that genes are transcribed at the right time and in the right amount, which is crucial for the normal functioning of living organisms.
In conclusion, the promoter is a critical component of the transcription process as it serves as the binding site for RNA polymerase and helps in initiating the synthesis of RNA from DNA.
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During transcription, the site of DNA molecule at which RNA polymerase...
The RNA polymerase enzyme binds to a specific site called promoter and initiates transcription. The promoter region determines which DNA strand is to be transcribed. Thus, a promoter region has RNA polymerase recognition site and RNA polymerase binding site .
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During transcription, the site of DNA molecule at which RNA polymerase binds is calleda)promoterb)regulatorc)receptord)enhancerCorrect answer is option 'A'. Can you explain this answer?
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During transcription, the site of DNA molecule at which RNA polymerase binds is calleda)promoterb)regulatorc)receptord)enhancerCorrect answer is option 'A'. Can you explain this answer? for NEET 2025 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about During transcription, the site of DNA molecule at which RNA polymerase binds is calleda)promoterb)regulatorc)receptord)enhancerCorrect answer is option 'A'. Can you explain this answer? covers all topics & solutions for NEET 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for During transcription, the site of DNA molecule at which RNA polymerase binds is calleda)promoterb)regulatorc)receptord)enhancerCorrect answer is option 'A'. Can you explain this answer?.
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