Q. No.
Which of the following reunites the exon segments after RNA splicing:
1. RNA polymerase
2. RNA primase
3. RNA ligase
4. RNA proteases
The nucleus of a donor embryonal cell/somatic cell is transferred to an enucleated egg cell. Then after the formation of the organism, what shall be true:
| 1. | Organism will have extranuclear genes of the donor cell |
| 2. | Organism will have extranuclear genes from the recipient cell |
| 3. | Organism will have extranuclear genes of both donor and recipient cell |
| 4. | Organism will have nuclear genes of the recipient cell |
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The method of DNA replication in which two strands of DNA separate and synthesize new strands is called:
1. Dispersive
2. Conservative
3. Semiconservative
4. Non-conservative
Living beings maintain continuity of life by:
| 1. | Adaptation |
| 2. | DNA–replication and its transfer in the next generation |
| 3. | RNA synthesis |
| 4. | None of the above |
Which of the following is correct about H-bonding in nucleotide:
1. A–T G–C
2. A–G T–C
3. G–T A–C
4. A–A T–T
Chargaff's rule states that in an organism:
| 1. | The amount of adenine (A) is equal to that of thymine (T) and the amount of guanine (G) is equal to that of cytosine (C). |
| 2. | The amount of adenine (A) is equal to that of guanine (G) and the amount of thymine (T) is equal to that of cytosine (C). |
| 3. | The amount of adenine (A) is equal to that of cytosine (C) and the amount of thymine (T) is equal to that of guanine (G). |
| 4. | Amounts of all bases are equal. |
During translation initiation in prokaryotes, a GTP molecule is needed in:
| 1. | Formation of formyl-met-tRNA |
| 2. | Binding of 30S subunit of the ribosome with mRNA |
| 3. | Association of 30 S-mRNA with formyl met-tRNA |
| 4. | Association of 50 S subunit of the ribosome with the initiation complex |
In the genetic code dictionary, how many codons are used to code for all the 20 essential amino acids:
| 1. | 20 | 2. | 64 |
| 3. | 61 | 4. | 60 |
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