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a) Construct a complete transcription un...

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

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(a)Transcription unit
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Name the parts 'A' and 'B' of the transcription unit given below.

(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 is transcription.

Go through the following statements (i) 2'-OH group present at every nucleotide in RNA makes RNA labile and easily degradable. (ii) The transcription and translation can be coupled in bacteria (iii) the promoter is located towards the 5'-end while terminator is located towards the 3'end of the template strand. (iv). In lac operon, the z gene codes for betagalactosidase, y gene codes for permease while i gene codes for the inducer. Which of these are correct statement:

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

If the sequence of nitrogen bases of the coding strand of DNA in atranscription unit is 5'- A T GAATG - 3', the sequence of bases in its RNA transcript would be:

If the sequence of Coding strands in a transcription unit is written as follows:S'-ATGCATGTCA ATGC ATGC ATGC-3' Write down the sequence of mRNA.

TRUEMAN BIOLOGY-GENETICS AND EVOLUTION -SECTION-C
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