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Monomer

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Question

In transcription, when RNA is formed it gets separated from template strand of DNA and the two strands of DNA again coil by forming Hibonds. From where they get energy to form H-bonds?

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Solution

Hydrogen bond are formed due to affinity and interaction between the bases.

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Similar questions

Q. “Both the strands of DNA are not copied during transcription”.
Choose the correct reasons from the following.

A. If both strands of DNA act as a template, RNA would be coded with different sequences, leading to formation of two different polypeptide chains from the same segment of DNA.

B. If both strands of DNA act as a template, RNA would be coded with different sequences, leading to formation of the same polypeptide chains from the same segment of DNA.

C. If both strands of DNA act as a template for transcription, it simplifies the genetic information transfer machinery.

D. If both strands of DNA act as a template for transcription, it complicates the genetic information transfer machinery.

E. If both strands of DNA act as a template for transcription, dsRNA would be formed which would prevent protein formation.

Q. How many of the following statements are correct with respect to transcription?

i) Both the strands of DNA function as template for transcription

ii) The transcribed strand separates from the template strand

iii) A primer is required for transcription

iv) A double stranded RNA is formed after transcription

v) RNA polymerase catalyses the process of transcription

Q. Name the enzymes responsible for transcription of tRNA and hnRNA from template DNA strands.

Q. How many of the following statements are correct?

A. Coding strand is also called a template strand which gets transcribed to RNA.

B. Template strand is considered as a non-coding strand which gets transcribed to RNA.

C. Coding strand of DNA (sense strand) has the same sequences as transcribed RNA, except for having thymine in place of RNA’s uracil.

D. The template strand of DNA has the same sequences as transcribed RNA.

E. Coding strand (sense strand) has the same sequences as transcribed RNA, except for having uracil in place of RNA’s thymine.

Q. Write polarity of template strand and coding strand. Write three regions of transcription unit of DNA.

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