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First Aid: Biochemistry Molecular

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  • Answer 50 questions in 15 minutes.
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  • Match each statement with the correct term.
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This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. MRNA






2. Nucleotide excision repair - Base Excision repair - Mismath repair






3. Accurate base pairing is required only in the first 2 nucleotide positions of an mRNA so codons differing ht e3rd wobble psoition may code for the same tRNA/amino acid code






4. In the nucleus after transcitpion and only processed RNA is transporte out of the nucleus






5. Muscle






6. Anit helminth - act on microtubules






7. (A - G) 2 rings Pure As Gold






8. Y shaped region along DNA template where leading and lagging strands are syntehsized






9. Completed protein is released from ribosme through simple hydrolosis and dissociates






10. Genetic bone disorder (brittle bone disease) type 1 colalgen - fractures (during birth) 2) Blue sclerae 3) hearing loss 4) dental imperfections 1:10000 may be confused with child abuse






11. 9+2 arrangement of microtubules -






12. Bind 30S subunit preventing attachment of aminoacyl - tRNA






13. Each codon specifies only 1 amino acid






14. H1 string






15. Faulty collagen synthesis causing 1) hyperextensible skin 2) tendency to bleed 3) hypermobile joints






16. No proofreading function but can initiate chains. RNA poymerase II opens DNA at promoter site






17. CUT 1 ring Cut the Py






18. Tansport cellular cargo toward opposite ends of microtubule tracks






19. Poly adenylation






20. Inhibits bacterials dihydrofolate reducatese down thymine






21. Genetic code is conserved throughout evolution






22. Mutation in nucleotide excision repair Dry skin with melanoma and other cancers






23. Read froma fixed starting point as a continous sequenecs of bases






24. Inhibits by binding to the potassium side






25. Splicing out of introns






26. Neurons






27. Binds 50S blocking translocation






28. Condensed - transciptionally inactive HC- Highly condensed






29. Antigout - acts on mts






30. Different exons can be combined to make nique protiens in different times






31. One codon AUG






32. Connective tissue






33. AD and AR- associated iwth joint dislocation - berry aneurysms - organ rupture






34. Blocks denovo purine synthesis






35. ATP






36. Site of dteroid synthesis and detoxification of druigs and poisons (liver hepatocytes and steroid horomore adrenal cortex)






37. 1P (blocked by tetracycline)






38. CCA AT 3 PRIME END






39. UGA - UAG - UAA






40. G1 - S - G2 - Mitosis






41. Change resulting in early stop codon






42. Base + ribose






43. Anti breast cancer - acts on mts






44. 1) primary transcript combines with snRNPs and other proteins to form spliceosome 2) lariat shaped intermediate is generated 3) Lariat is removed and released to precisely join 2 exons






45. Antifungal - act on microtubules






46. You glyucosolate hte pro - alpha chain lysine resudens and form procollagen (triple helix of alpha chains)






47. Neuroglia






48. Site where negative regulators bind






49. The N to C






50. Create a nick in the helix to relieve supercoils created during replication







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