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(a) Construct a complete transcription u...

(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.

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(a)
(b) Transcribed RNA
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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

Name the parts 'A' and 'B' of the transcription unit given below.

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

Presence of this in a transcription unit also defines the template and coding strands

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 beta galactosidase, y gene codes for permease while i gene codes for the inducer. Which of these are correct statement:

Read the following statement (A) AUG has dual functions (B) any reference while defining a transcription unit is made with polarity of coding strand

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.

Which of the following statements regarding transcription are correct? Br a. Transcription governs the principle of complementarity. Brb. If both strands of DNA act as a template, they would code for RNA molecule with same sequences. Br c. Double stranded RNA formed after transcription promotes RNA from being translated into protein. br d. Like the process of replication, the total DNA of an organism gets duplicated in transcription also

Consider the following statements w.r.t transcription and select the right choice (i) The promoted is said to located towards the 5' - end of the coding strand. (ii ) The promoted is an RAN sequence that provides a binding site for RNA polymerase. (iii) The terminator is located towards the 3' end of the coding strand. (iv) The strand that has polarity 3'rarr5' acts as a template strand .

XII BOARD PREVIOUS YEAR PAPER ENGLISH-XII BOARDS-Section - C
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