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How many turns of double helix DNA will be there in a molecule of DNA having 45 base pairs?

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Important Questions on Gene: Its Nature, Expression and Regulation

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MHT-CET TRIUMPH Biology Multiple Choice Questions Part - 1 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 10 - Gene: Its Nature, Expression and Regulation>Critical Thinking>Q 15
A 340 Ao long DNA molecule consists of
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MHT-CET TRIUMPH Biology Multiple Choice Questions Part - 1 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 10 - Gene: Its Nature, Expression and Regulation>Critical Thinking>Q 16

Given figure represents the DNA double helix model as proposed by Watson and Crick. Select the option that shows correct measurement of 1,2 and 3.

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MHT-CET TRIUMPH Biology Multiple Choice Questions Part - 1 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 10 - Gene: Its Nature, Expression and Regulation>Critical Thinking>Q 17
Function of helix-destabilizing proteins is to
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MHT-CET TRIUMPH Biology Multiple Choice Questions Part - 1 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 10 - Gene: Its Nature, Expression and Regulation>Critical Thinking>Q 18
RNA primer is must for initiation of DNA replication, as it
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MHT-CET TRIUMPH Biology Multiple Choice Questions Part - 1 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 10 - Gene: Its Nature, Expression and Regulation>Critical Thinking>Q 22
Leading strand is:
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MHT-CET TRIUMPH Biology Multiple Choice Questions Part - 1 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 10 - Gene: Its Nature, Expression and Regulation>Critical Thinking>Q 23
Which of the following statements is false regarding Okazaki fragments?
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MHT-CET TRIUMPH Biology Multiple Choice Questions Part - 1 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 10 - Gene: Its Nature, Expression and Regulation>Critical Thinking>Q 26
Which one of the following correctly represents the manner of replication of DNA?
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MHT-CET TRIUMPH Biology Multiple Choice Questions Part - 1 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 10 - Gene: Its Nature, Expression and Regulation>Critical Thinking>Q 27
After duplication, daughter DNA contains