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CHAPTER 20 - Chromosomes and DNA - 12


Biology Class 12
1. In prokaryotes the promoter site has _______ or _______ sequence to start transcription


Biology Class 12
2. The cap which is attached to the mRNA during its travel from nucleus to cytoplasm is in the form of _______.


Biology Class 12
3. The password for specific amino acid is in the form of _______.


Biology Class 12
4. Specific proteins called _______ position tRNA on the ribosomal surface at _______ site.


Biology Class 12
5. Down’s syndrome is a genetic disease that is due to _______ aberration.


Biology Class 12
6. Nonsense codon codes for _______.


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