Question
Easy
Solving time: 2 mins
Which one of the following is not a part of transcription unit in DNA ?
(A) The inducer
(B) A terminator
(C) A promoter
(D) The structural gene
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Text solutionVerified
Option (A) is correct.
The segment of DNA that takes part in transcription is called transcription unit. It has three components (i) a promoter (ii) the structural gene and (iii) a terminator.
The segment of DNA that takes part in transcription is called transcription unit. It has three components (i) a promoter (ii) the structural gene and (iii) a terminator.
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Practice questions from Oswaal CBSE MCQs Chapterwise For Term I II, Class 12, Biology (Oswaal)
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Reason R : The rule of complementarity guides the formation of DNA and RNA.
(A) Both assertion (A) and reason (R) are true and reason (R) is the correct explanation of assertion (A).
(B) Both assertion (A) and reason (R) are true but reason (R) is not the correct explanation of assertion (A).
(C) Assertion (A) is true but reason (R) is false.
(D) Assertion (A) is false but reason (R) is true.
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(A) (downstream) end and 5' (upstream) end, respectively of the transcription unit.
(B) (upstream) end and (downstream) end, respectively of the transcription unit.
(C) the (upstream) end.
(D) the (downstream) end.
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(A) Both assertion (A) and reason (R) are true and reason (R) is the correct explanation of assertion (A).
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(C) Assertion (A) is true but reason (R) is false.
(D) Assertion (A) is false but reason (R) is true.
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Question Text | Which one of the following is not a part of transcription unit in DNA ? (A) The inducer (B) A terminator (C) A promoter (D) The structural gene |
Topic | Molecular Basis of Inheritance |
Subject | Biology |
Class | Class 12 |
Answer Type | Text solution:1 |
Upvotes | 119 |