Q. No.
Whose cell free system finally helped the genetic code to be deciphered?
1.
Gamow
2.
Severo Ochoa
3.
Hargobind Khorana
4.
Marshall Nirenberg
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
Which of the following would be nucleoside found only in RNA?
| 1. | Thymidine | 2. | Cytidine |
| 3. | Uridine | 4. | Adenosine |
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
Which of the following acts as the substrate and provides energy for DNA replication?
| 1. | Dideoxyribonucleoside triphospahtes |
| 2. | Ribonucleoside triphosphates |
| 3. | Deoxyribonucleoside triphospahtes |
| 4. | Deoxyribonucleotide triphosphates |
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
A segment of DNA coding for a polypeptide is most accurately defined as:
| 1. | Operon | 2. | Gene |
| 3. | Recon | 4. | Cistron |
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
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 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
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 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
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 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
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 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
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 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
© 2025 GoodEd Technologies Pvt. Ltd.