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Biochemistry Practice Test Questions: Nucleic Acids
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Biochemistry Practice Test Questions: Nucleic Acids
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25 Questions

1. Mutations in promoter regions of genes can cause
2. An allosteric inhibitor of IMP dehydrogenase is
3. Mutations can be caused by
4. DNA does not contain
5. Post-transcriptional modification of hnRNA involves all of the following except
6. The most likely lethal mutation is
7. The proteins destined to be transported out of the cell have all the following features except
8. All the following statements about restriction fragment length polymorphism are true except
9. The regulatory i gene of lac operon
10. In the process of activation of amino acids for protein synthesis, the number of high energy phosphate bond equivalent utilised is
11. Suppressor mutations occur in
12. The first codon to be translated on mRNA is
13. Twenty cycles of PCR can amplify DNA:
14. Restriction endonucleases can recognise
15. Genetic code is said to be degenerate because
16. All of the following statements about post-transcriptional processing of tRNA are true except
17. In purine biosynthesis carbon atoms at 4 and 5 position and N at 7 position are contributed by
18. Codons are present on
19. The region of DNA known as TATA BOX is the site for binding of
20. Post-transcriptional modification does not occur in
21. The correct statement concerning RNA and DNA polymerases is
22. In biosynthesis of proteins the chain terminating codons are
23. Left handed double helix is present in
24. Amino acid is attached to tRNA at
25. DNA contains some palindromic sequences which

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