Q. No.The final proof for DNA as the genetic material came from the experiments of
1. Griffith
2. Hershey and Chase
3. Avery, Macleod and McCarty
4. Hargobind Khorana
1. Griffith
2. Hershey and Chase
3. Avery, Macleod and McCarty
4. Hargobind Khorana
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.
In prokaryotes:
| 1. | A typical nucleus is not seen and DNA is scattered throughout the cell |
| 2. | A typical nucleus may sometimes be present and DNA is scattered throughout a cell |
| 3. | A typical nucleus is not seen but DNA is not scattered throughout the cell |
| 4. | A typical nucleus may sometimes be present but DNA is not scattered throughout the cell |
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.
Transcriptionally, active chromatin is termed as:
| 1. | Heterochromatin | 2. | Euchromatin |
| 3. | Prechromatin | 4. | Prochromatin |
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 protein synthesizing machinery of a cell has evolved around:
| 1. | DNA | 2. | RNA |
| 3. | Protein itself | 4. | Viroids |
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.
Viruses grown on radioactive sulfur contain:
| 1. | Radioactive proteins but not DNA |
| 2. | Radioactive DNA but not proteins |
| 3. | Radioactive proteins and DNA |
| 4. | Nonradioactive DNA and protein |
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.
In a strand of nucleic acid, two nucleotides are linked together by:
1. 3’ – 5’ phosphodiester bond
2. 5’ – 3’ phosphodiester bond
3. 2’ – 5’ phosphodiester bond
4. 3’ – 1’ phosphodiester bond
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 daughter DNA that was extracted from the culture one generation after the transfer from 15N to 14N medium had:
| 1. | Low density |
| 2. | Intermediate density |
| 3. | High density |
| 4. | One had low and another had high density |
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 failure in cell division after DNA replication results in:
| 1. | Point mutation | 2. | Aneuploidy |
| 3. | Polyploidy | 4. | Apoptosis |
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.
What is another name for thymine?
| 1. | 5 – bromouracil | 2. | 3 – bromouracil |
| 3. | 3 – methyl uracil | 4. | 5 – methyl uracil |
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.