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DNA is a polymer of nucleotides which are linked to each other by 5'⇢3' phosphodiester bond. To prevent polymerization of nucleotides, which of the following modifications would you choose?

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Important Questions on Molecular Basis of Inheritance

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MTG OBJECTIVE NCERT AT YOUR FINGERTIPS BIOLOGY CLASS XI + XII>Chapter 29 - Molecular Basis of Inheritance>NCERT EXEMPLAR PROBLEMS>Q 14
Discontinuous synthesis of DNA occurs in one strand, because
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MTG OBJECTIVE NCERT AT YOUR FINGERTIPS BIOLOGY CLASS XI + XII>Chapter 29 - Molecular Basis of Inheritance>NCERT EXEMPLAR PROBLEMS>Q 15
Which of the following steps in transcription is catalyzed by RNA polymerase?
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MTG OBJECTIVE NCERT AT YOUR FINGERTIPS BIOLOGY CLASS XI + XII>Chapter 29 - Molecular Basis of Inheritance>NCERT EXEMPLAR PROBLEMS>Q 16
Control of gene expression takes place at the level of:
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MTG OBJECTIVE NCERT AT YOUR FINGERTIPS BIOLOGY CLASS XI + XII>Chapter 29 - Molecular Basis of Inheritance>NCERT EXEMPLAR PROBLEMS>Q 17
Regulatory proteins are the accessory proteins that interact with RNA polymerase and affect its role in transcription. Which of the following statements is correct about regulatory proteins?
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MTG OBJECTIVE NCERT AT YOUR FINGERTIPS BIOLOGY CLASS XI + XII>Chapter 29 - Molecular Basis of Inheritance>NCERT EXEMPLAR PROBLEMS>Q 18
Which was the last human chromosome to be completely sequenced?
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MTG OBJECTIVE NCERT AT YOUR FINGERTIPS BIOLOGY CLASS XI + XII>Chapter 29 - Molecular Basis of Inheritance>NCERT EXEMPLAR PROBLEMS>Q 19
Which of the following are the functions of RNA?
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MTG OBJECTIVE NCERT AT YOUR FINGERTIPS BIOLOGY CLASS XI + XII>Chapter 29 - Molecular Basis of Inheritance>NCERT EXEMPLAR PROBLEMS>Q 20
While analyzing the DNA of an organism a total number of 5386 nucleotides were found out of which the proportion of different bases were: Adenine=29% Guanine=17% Cytosine=32% Thymine=17%. Considering the Chargaff's rule it can be concluded that:
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MTG OBJECTIVE NCERT AT YOUR FINGERTIPS BIOLOGY CLASS XI + XII>Chapter 29 - Molecular Basis of Inheritance>NCERT EXEMPLAR PROBLEMS>Q 21
In some viruses, DNA is synthesized by using RNA as template. Such a DNA is called