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Karnataka Board PUCPUC Science 2nd PUC Class 12

Differentiate between the following: Template strand and Coding strand - Biology

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Question

Differentiate between the following:

Template strand and Coding strand

Distinguish Between

Solution

Template strand Coding strand
It is also called antisense or (-) strand or master strand. It is also called sense or (+) or non-template strand.
Template strand of DNA acts as a template for the synthesis of mRNA during transcription. Coding strand is a sequence of DNA that has the same base sequence as that of mRNA (except thymine that is replaced by uracil in DNA).
It has 3'→5' polarity.  It has 5'→3' polarity.
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Protein Synthesis - Transcription Unit
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Chapter 5: Molecular Genetics - Evaluation [Page 85]

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Samacheer Kalvi Biology (Zoology) [English] Class 12 TN Board
Chapter 5 Molecular Genetics
Evaluation | Q 18. | Page 85
Samacheer Kalvi Biology (Zoology) [English] Class 12 TN Board
Chapter 5 Molecular Genetics
Evaluation | Q 18. | Page 88
NCERT Biology [English] Class 12
Chapter 6 Molecular Basis of Inheritance
Exercises | Q 8.3 | Page 125

RELATED QUESTIONS

If the sequence of one strand of DNA is written as follows:

5' -ATGCATGCATGCATGCATGCATGCATGC-3'

Write down the sequence of complementary strand in 5'→3' direction.


If the sequence of the coding strand in a transcription unit is written as follows:

5'-ATGCATGCATGCATGCATGCATGCATGC-3'

Write down the sequence of mRNA.


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Which of the following steps in transcription is catalysed by RNA polymerase?


If the sequence of bases in one strand of DNA is ATGCATGCA, what would be the sequence of bases on complementary strand?


Transcription unit ______.


During transcription, the site of DNA molecule at which RNA polymerase binds is called ______.


Transcription of DNA into mRNA occurs in the nucleus of the cell but translation occurs in ______.


Read the following and answer from given below:

The process of copying genetic information from the template strand of DNA into RNA is called transcription. It is mediated by RNA polymerase. Transcription takes place in the nucleus of eukaryotic cells. In transcription, only a segment of DNA and only one of the strands is copied into RNA.

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Given below is the sequence of coding strand of DNA in a transcription unit 3 'A A T G C A G C T A T T A G G – 5’ write the sequence of its complementary strand


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