- 1(current)
Q. No.If a dsDNA molecule is composed of 26% thymine, what would be the percent composition of cytosine in this DNA molecule?
1. 26
2. 24
3. 13
4. 48
1. 26
2. 24
3. 13
4. 48
Subtopic: The DNA |
88%
Level 1: 80%+
Please attempt this question first.
Hints
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 |
50%
Level 3: 35%-60%
Hints
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 |
77%
Level 2: 60%+
Hints
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 |
77%
Level 2: 60%+
Hints
- 1(current)
Q. No.
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