If the sequence of the coding strand in | Class 12 Biology Chapter Molecular Basis of Inheritance, Molecular Basis of Inheritance NCERT Solutions

Question: If the sequence of the coding strand in a transcription unit is written as follows:
5-ATGCATGCATGCATGCATGCATGCATGC-3
Write down the sequence of mRNA.
Answer:

If the coding strand in a transcription unit is

5’− ATGCATGCATGCATGCATGCATGCATGC-3’

Then, it is known that the sequence of mRNA is same as the coding strand of DNA.

However, in RNA, thymine is replaced by uracil.

Hence, the sequence of mRNA will be

5’ − AUGCAUGCAUGCAUGCAUGCAUGCAUGC-3’


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Comments

  • vijay
  • 2016-08-18 23:21:05

Hi Kc, No, mRNA is formed complementary to template or non coding strand so there is no requirement for interchange of ends as m RNA sequence is same as of non coding strand except T is replced by U.

  • MANOJ KUMAR
  • 2016-07-20 12:56:50

TTCAATGATCTG

  • Kc
  • 2016-03-16 11:58:33

Shouldn't the 5' and 3' be interchanged?

Comment(s) on this Question

Welcome to the NCERT Solutions for Class 12 Biology - Chapter . This page offers a step-by-step solution to the specific question from Excercise 1 , Question 4: If the sequence of the coding strand in a transcription unit is written as follows: 5-ATGCATGCATGCAT....

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