Nucleic acids exhibit

1. Secondary structure

2. Tertiary structure

3. Quaternary structure

4. Both (2) & (3)

Subtopic:  The DNA |
 51%
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The backbone of a DNA molecules is made up of 

1. Adenine and guanine

2. Sugar-phosphate-sugar chain

3. Cytosine and thymine

4. All of these

Subtopic:  The DNA |
 85%
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 If the sequence of bases in one of the DNA strand is is A G G A G A A, then the sequence of bases in the other complementary strand of DNA would be

1. C C T T C T T

2. T C T C T C C

3. T C C T C T T

4. C C T C T C T

Subtopic:  The DNA |
 95%
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In a DNA molecule adenine of one strand base pair with _   on the other strand

1. Guanine

2. Thymine

3. Cytosine

4. Both (1) & (2)

Subtopic:  The DNA |
 88%
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In B-DNA, the rise per base pair would be 

1. 4.3 A

2. 2.4 A

3. 3.4 A

4. 4.2 A

Subtopic:  The DNA |
 92%
From NCERT
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The nitrogenous bases of the two  strands of DNA are joined by 

1. Phosphodiester bond

2. Hydrogen bond

3. Glycosidic bond

4. Peotide bond

Subtopic:  The DNA | Double Helix : Watson & Crick Part 1 | Double Helix : Watson & Crick Part 2 | Double Helix : Watson & Crick |
 66%
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The double helix model of DNA was proposed by

1. Berzelius

2. Watson and Crick

3. Griffith

4. Robert Brown

Subtopic:  The DNA |
 97%
From NCERT
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The pitch of the B-DNA is

1. 36 A

2. 3.4 A

3. 34 A

4. 3.6 A

Subtopic:  The DNA |
 67%
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In DNA, cytosine pairs with

1. Guanine

2. Thymine

3. Adenine

4. Uracil

Subtopic:  The DNA |
 91%
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Which of the following are basic amino acids?

1. Glycine and Alanine

2. Lysine and Arginine

3. Glutamic acid and Aspartic acid

4. Histidine and Proline

Subtopic:  The DNA |
 89%
From NCERT
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