- 1(current)
Q. No.Which of the following is the correct structure of a monomer present in the structure of a DNA molecule?
| 1. |  |
2. | .svg) |
| 3. |  |
4. |  |
Subtopic: Nucleic Acid: Nucleotides | The DNA |
72%
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In the given diagram of DNA double helix, what would be the correct values of 1, 2, and 3 in nanometre?
| 1 | 2 | 3 | |
| 1. | 1.0 | 3.4 | 34 |
| 2. | 2.0 | 0.34 | 3.4 |
| 3. | 2.0 | 3.4 | 0.34 |
| 4. | 4.0 | 3.4 | 0.34 |
Subtopic: The DNA |
75%
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Subtopic: Nucleic Acid: Nucleotides | The DNA |
78%
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In the given diagram showing two helices A and B:
1. A is left handed helix and B is right handed helix
2. A is right handed helix and B is left handed helix
3. Both are right handed helices
4. Both are left handed helices
Subtopic: The DNA |
59%
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The strands of the DNA double helix are:
| 1. | identical | 2. | coiled around each other |
| 3. | parallel to each other | 4. | complementary to each other |
Subtopic: Nucleic Acid | The DNA |
81%
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At each step of ascent, the helical strand of DNA turns
| 1. | 36 degree | 2. | 34 degree |
| 3. | 20 degree | 4. | 180 degree |
Subtopic: Nucleic Acid | The DNA |
81%
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Subtopic: Nucleic Acid | The DNA |
71%
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In a nucleic acid:
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
| I: | a phosphate moiety links the 5’ carbon of one sugar of one nucleotide to the 1’ carbon of the sugar of the succeeding nucleotide. |
| II: | the backbone of the strand is made up of alternate sugar and nitrogenous bases. |
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
Subtopic: The DNA | Double Helix : Watson & Crick |
52%
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