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Transcription unit...

Transcription unit

A

starts with TATA box

B

starts with palindrome regions and ends with rho factor

C

starts with promoter region and ends in terminator region

D

starts with C A A T region.

Text Solution

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The correct Answer is:
C
(c) : Transcription unit is the distance between sites of initiation and termination by RNA polymerase . It may include more than one gene. RNA polymerase produces transcription sequences.
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Explore conceptually related problems

Draw a labelled schematic structure of a transcription unit. Explain the function of each component of the unit in the process of transcription unit. Explain the function of each component of the unit in the process of transcription .

a) Construct a complete transcription unit with promoter and terminator on the basis of hypothetical template strand given below (b) Write the RNA strand transcribed from the above transcription unit along with its polarity

(a) Construct a complete transcription unit with promoter and terminator on the basis of the hypothetical template strand given below : (b) Write the RNA strand transcribed from the above transcription unit along with its polarity.

(a) Draw a schematic representation of the structure of a transcription unit and show the following in it : (i) Direction in which transcription occurs (ii) Polarity of the two strands involved (iii) Template strand (iv) Terminator gene (b) Mention the function of promoter gene in transcription.

A hypothetical sequences from a transcription unit is represented below: 3'-ATGCATGCATGCATGCATGCATGC-5' Template Strand 5'-TACGTACGTACGTACGTACGTACG-3' Coding Strand Write the sequence of RNA transcribed from above DNA ?

Explain the mechanism of DNA repication with the help of a replication fork. What role does the enzyme DNA-ligase play in a DNA replication fork ? OR Construct and label a transcription unit from which the RNA segment given below has been transcribed. Write the complete name of the enzyme that transcribed this RNA.

Assertion (A): The newly formed mRNA has same sequence as the coding strand of transcriptional unit with uracil present at place of thymine. Reason (R): The rule of complementarity guides the formation of DNA and RNA.

Transcription Transcription in Prokaryotes RNA Polymerase Enzyme Transcripition in Eukaryotes Introduction RNA Polymerases Transcriptional Unit

Transcription in Prokaryotes || Transcription in Eukaryotes || Post Transcriptional Modification

NCERT FINGERTIPS-MOLECULAR BASIS OF INHERITANCE-Molecular Basis Of Inheritance
  1. If the sequence of bases in DNA is GCTTAGGCAA then the sequence if bas...

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  2. Given diagram represents the components of a transcription unit. Selec...

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  3. Transcription unit

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  4. During transcription, the site of DNA molecule at which RNA polymerase...

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  5. Polycistronic mesenger RNA (mRNA) usually occurs in

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  6. The given figure represents the process of transcription in bacteria.

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  7. Refer to the given diagram. What does it represent ?

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  8. In transcription in eukaryotes, heterogenous nuclear RNA (hnRNA)is tra...

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  9. Menthyl guanosine triphosphate is added to the 5' end of hnRNA in a pr...

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  10. Select the correct statements regarding the process of transcription i...

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  11. In eukaryotes, the process of processing of primary transcript involve...

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  12. Match column I and II and select the correct option from the given cod...

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  13. Identify A, B, C and D in the given diagram of mRNA.

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  14. The fully processed hnRNA is called as (i) and is transproted out of t...

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  15. Refer to the given sequence of steps and select the correct option.

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  16. The three codons which result in the termination of polypeptide chain...

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  17. Match column I and II and select the correct option from the given cod...

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  18. Amino acids which are specified by single codons are

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  19. mRNA overset(AUG UUU AUG C CU GUU UCU UA A)to Polypeptide Met-Phe-Me...

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  20. mRNA overset(AUG UUU AUG C CU GUU UCU UA A)to Polypeptide Met-Phe-Me...

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