- 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%
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 |
52%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
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
1. identical
2. coiled around each other
3. parallel to each other
4. complementary to each other
Subtopic: Nucleic Acid | The DNA |
80%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
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 |
80%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
- 1(current)
Q. No.
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