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In a DNA strand, the nucleotides are linked together by?

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Important Questions on Molecular Basis of Inheritance

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NTA Errorless Biology Volume-2>Chapter 6 - Molecular Basis of Inheritance>NCERT>Q 2
A nucleoside differs from a nucleotide. It lacks the
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NTA Errorless Biology Volume-2>Chapter 6 - Molecular Basis of Inheritance>NCERT>Q 3
Both deoxyribose and ribose belong to a class of sugars called
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NTA Errorless Biology Volume-2>Chapter 6 - Molecular Basis of Inheritance>NCERT>Q 4
The fact that a purine base always pairs through hydrogen bonds with a pyrimidine base in the DNA double helix leads to
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NTA Errorless Biology Volume-2>Chapter 6 - Molecular Basis of Inheritance>NCERT>Q 5
The net electric charge on DNA and histones is
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NTA Errorless Biology Volume-2>Chapter 6 - Molecular Basis of Inheritance>NCERT>Q 6
The promoter site and the terminator site for transcription are located at
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NTA Errorless Biology Volume-2>Chapter 6 - Molecular Basis of Inheritance>NCERT>Q 7

Which of the following statements is the most appropriate for sickle cell anaemia?

a) It cannot be treated with iron supplements

b) It is a molecular disease

c) It confers resistance to acquiring malaria

d) All of the above

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NTA Errorless Biology Volume-2>Chapter 6 - Molecular Basis of Inheritance>NCERT>Q 8
Which of the following is true with respect to AUG?
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NTA Errorless Biology Volume-2>Chapter 6 - Molecular Basis of Inheritance>NCERT>Q 9
The first genetic material could be