During DNA replication, Okazaki fragments are used to elongate:
1. | The lagging strand towards the replication fork. |
2. | The leading strand away from the replication fork. |
3. | The lagging strand away from the replication fork. |
4. | The leading strand towards the replication fork. |
Which of the following RNA should be most abundant in an animal cell?
1. | t-RNA |
2. | m-RNA |
3. | mi-RNA |
4. | r-RNA |
A molecule that can act as a genetic material must fulfill the traits given below, except:
1. | it should be able to express itself in the form of 'Mendelian characters' |
2. | it should be able to generate its replica |
3. | it should be unstable structurally and chemically |
4. | it should provide the scope for slow changes that are required for evolution |
DNA-dependent RNA polymerase catalyses transcription on one strand of the DNA which is called the?
1. | template strand | 2. | coding strand |
3. | alpha strand | 4. | anti strand |
DNA replication in bacteria occurs:
1. Within nucleolus
2. Prior to fission
3. Just before transcription
4. During S phase
The association of histone H1 with a nucleosome indicates:
1. DNA replication is occurring
2. The DNA is condensed into a chromatin fibre
3. The DNA double helix is exposed
4. Transcription is occurring
1. | UGA | 2. | UAA |
3. | UAG | 4. | AUG |
Which one of the following is not applicable to RNA?
1. Complementary base pairing
2. 5' phosphoryl and 3' hydroxyl ends
3. Heterocyclic nitrogenous bases
4. Chargaff's rule