Q. No.In Griffith's experiment, which of the following bacterial strains was capable of causing pneumonia in mice?
1.
Live R
2.
Bacteria strain with polysaccharide coat
3.
Heat Killed S
4.
Live R with capsule and Heat Killed S
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 facilitates the opening of the helix during the elongation step of transcription?
| 1. | RNA polymerase | 2. | Helicase |
| 3. | Topoisomerase | 4. | Gyrase |
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 repressor of the lac operon is:
| 1. | Lactose itself | 2. | A steroid |
| 3. | Synthesized constitutively | 4. | A product of structural gene |
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 base pairing in a double stranded DNA is correctly described as:
| 1. | Similar | 2. | Identical |
| 3. | Complementary | 4. | Synergistic |
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.
Any mistakes during DNA replication by the enzyme would result into:
| 1. | Cancer | 2. | Apoptosis |
| 3. | Cell fragmentation | 4. | Mutation |
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 transcription unit, RNA polymerase binds to:
| 1. | Ori | 2. | Promoter |
| 3. | Operator | 4. | Structural gene |
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 distance between a base pair in the DNA double helix is approximately:
| 1. | 2.0 nm | 2. | 0.34 nm |
| 3. | 20 nm | 4. | 3.4 nm |
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.
In some viruses, the flow of genetic information is from RNA to DNA. These viruses are:
| 1. | Reverse transcriptases | 2. | Reoviruses |
| 3. | Ribozymes | 4. | Retroviruses |
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 added to the 5’ end of hnRNA in Eukaryotes?
| 1. | Poly A tail |
| 2. | Methyl cytosine triphosphate |
| 3. | Methyl guanosine triphosphate |
| 4. | Poly U tail |
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.
© 2024 GoodEd Technologies Pvt. Ltd.