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1. Small ribonucleotide polymer
2. Helix destabilizing protein
3. Small deoxyribonucleotide polymer
4. Enzyme joining nucleotides of new strands

8. Genetic information is transferred from nucleus to cytoplasm through

1. RNA
2. Anticodon
3. DNA
4. Lysosomes

9. The enzyme involved in transcription

1. DNA Polymerase I
2. DNA Polymerase III
3. RNA Polymerase
4. DNA Polymerase II

10. Non-sense codons participate in

1. Releasing t-RNA from polynucleotide chain
2. Formation of unspecified amino acids
3. Terminating message of gene-controlled protein synthesis
4. Conversion of sense DNA into non-sense DNA

B. Very Short Answer Questions (1 mark each)
1. Name the factors for RNA polymerase enzyme which recognises the start and termination
signals on DNA for transcription process in Bacteria.
2. Mention the function of non-histone protein.
3. During translation what role is performed by tRNA
4. RNA viruses mutate and evolve faster than other viruses. Why?
5. Name the parts ‘X’ and ‘Y’ of the transcription unit given below.

6. Mention the dual functions of AUG.
7. Write the segment of RNA transcribed from the given DNA –

3´ – A T G C A G T A C G T C G T A – 5´ – Template Strand
5´ – T A C G T C A T G C A G C A T – 3´ – Coding Strand.