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What is a cistron?

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प्रश्न

What is a cistron?

अति संक्षिप्त उत्तर
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उत्तर

A cistron is a segment of DNA responsible for encoding a single polypeptide; it is defined as the specific area where mutations exhibit a cis-trans position effect.
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अध्याय 5: Molecular Basis of Inheritance - TEST YOUR PROGRESS [पृष्ठ २७१]

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नूतन Biology [English] Class 12 ISC
अध्याय 5 Molecular Basis of Inheritance
TEST YOUR PROGRESS | Q 30. | पृष्ठ २७१

संबंधित प्रश्न

Explain (in one or two lines) the function of the following:

tRNA


In split genes, the coding sequence are called ______.


The correct sequence of gene expression is:

  1. Formation of the primary transcript
  2. Regulation of splicing
  3. Transport of mRNA from the nucleus to the cytoplasm
  4. Translation

The term gene was coined by ______.


Gene is:


The functional unit of DNA molecule that codes for particular gene product is ______.


Exons help in synthesis of ______.


Define a cistron. Giving examples differentiate between monocistronic and polycistronic transcription unit.


Do you think that the alternate splicing of exons may enable a structural gene to code for several isoproteins from one and the same gene? If yes, how? If not, why so?


A transcription unit is defined by three structural regions. Which of the following correctly lists these three regions in their proper order from 5' to 3' on the coding strand?


Which DNA sequence element is found at the 5' end of a transcription unit and serves as the binding site for RNA polymerase?


In prokaryotes, which of the following DNA sequences is typically found in the promoter region?


What is the primary function of the Structural Gene within a transcription unit?


Which strand has a polarity of 3' → 5' and serves as the actual template for RNA synthesis?


The Coding Strand is also known by which alternative names?


What is the relationship between the Coding Strand sequence and the mRNA sequence produced during transcription?


Which organism type typically produces Polycistronic mRNA?


Define Introns in the context of eukaryotic split genes.


In the context of a transcription unit, how do the Promoter and Terminator work together to regulate the transcription process?


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