Q. No.The central dogma of molecular biology was proposed by:
1.
Francis Crick
2.
James Watson
3.
Rosalind Franklin
4.
Erwin Chargaff
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
The unequivocal proof that DNA is the genetic material was provided by:
| 1. | Avery, Macleod, and McCarty |
| 2. | Hershey and Chase |
| 3. | Meselson and Stahl |
| 4. | Watson and Crick |
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
Hershey and Chase proved DNA as the genetic material in their experiment because :
| 1. | Bacteria that were infected with viruses that had radioactive proteins were not radioactive. |
| 2. | Bacteria that were infected with viruses that had radioactive DNA were radioactive. |
| 3. | Both 1 and 2 are correct. |
| 4. | Both 1 and 2 are incorrect. |
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
DNA replication is correctly described as:
| 1. | Semi-conservative and Continuous |
| 2. | Semi-conservative and Discontinuous |
| 3. | Conservative and Continuous |
| 4. | Semi-conservative and Semi-discontinuous |
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
According to Erwin Chargaff, in a double-stranded DNA
| 1. | The ratios between Adenine and Thymine, and, Guanine and Cytosine are constant and equal. |
| 2. | The ratios between Adenine and Thymine, and, Guanine and Cytosine are constant but are not equal to one. |
| 3. | The ratios between Adenine and Guanine, and, Thymine and Cytosine are constant and equal. |
| 4. | The ratios between Adenine and Guanine, and, Thymine and Cytosine are constant but are not equal to one. |
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
The backbone of a polynucleotide chain is made of:
| 1. | Sugar and nitrogenous bases |
| 2. | Phosphate and nitrogenous bases |
| 3. | Sugar and phosphate |
| 4. | Sugar, phosphate, and nitrogenous bases |
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
1. 5s rRNA
2. 23s rRNA
3. 16s rRNA
4. 5.1s rRNA
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
In actual structure, tRNA is a compact molecule that looks like a/an:
| 1. | Cloverleaf | 2. | Railroad |
| 3. | Inverted L | 4. | Alpha helix |
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
During DNA packaging in eukaryotic cells, Non-Histone Chromosomal proteins:
| 1. | Are not required |
| 2. | Are required from the beginning to the end of the packaging |
| 3. | Are required only for earlier stages of packaging |
| 4. | Are required for a higher level of packaging |
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
Histones are:
| 1. | Positively charged and basic amino acids |
| 2. | Negatively charged and basic proteins |
| 3. | Positively charged and acidic proteins |
| 4. | Not found in bacteria |
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
© 2025 GoodEd Technologies Pvt. Ltd.