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First Aid: Biochemistry Molecular

Instructions:
  • 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. Proline - glycine






2. Activated by GTP hydrolosis initiation factors help assembel the 40 S ribosomal subunites with the initiatior tRNA and are released whent he mRNA and the ribosomal subunit assemple with the complex






3. Epithelial cells






4. The N to C






5. Does not






6. Strethchy protein within lungs - large artiers - elastic liaments - vocal cords - ligamenta flava)






7. Inhibits dihydrofolate reductase down thymine






8. HS1 - HSB - H2 - H4






9. 4 high enrgy bonds






10. Remain in G0 regenerate from stem cells






11. 9+2 arrangement of microtubules -






12. RER translation of collagen alpha chains (preprocollagen) usually Gly-X-Y






13. Xlinked recessive IV collagen bm - kidney - ear and eye -- nephritis and defness ocular disturbances






14. 5 prime to 3 prime






15. Inhibits bacterials dihydrofolate reducatese down thymine






16. Anit helminth - act on microtubules






17. A malfunction of mismatch repair (MUt L etc..)






18. UGA - UAG - UAA






19. Antigout - acts on mts






20. Intervening noncoding segments of DNA






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






22. The 3 prime hydroxyl of the nascent chain is the target






23. Antifungal - act on microtubules






24. CUT 1 ring Cut the Py






25. Must be both activated and inactivated for cell cycle to progress






26. Even 40S 60S =80S






27. Specific endonucleases release the oligonucleotide containing damaged bases. DNA polymerase and logase fill and resealt eh gap






28. Enter G1 from G0 when stimulated Hepatocytes/lymphocytes






29. Immotile cilia due to a dyenin arm defect. Results in male nad female inferticility (sperm immotile) - bronchiectasis - and recurrent sinusisits - associated with situs inversus






30. Responsible for the accuracy of amino acid selection






31. Microvilli - muscle contraction - cytokinesis - adhering juntions






32. Odd 30S plus 50 S=70S






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






34. Neuroglia






35. Type III






36. Change resulting in misreading of all nucleotides downstream - usually resulting in a truncated non functional protien






37. Each codon specifies only 1 amino acid






38. Substituting a purine for a pyrimdine or vice versa






39. Alpha 1 antitrypisn






40. Prokaryotic only. Elongates leading strand by adding deoxynucleotides to the 3prime end. Elongates laggin strand. 3 prime to 5 prime exonuclease activity






41. Contain the actual genetic information coding for protein






42. Three amino acids necessary for purine synthesis= glutamine - aspartate and glycine






43. The 3 prime end






44. Methyl THYmine has a meTHYl






45. MRNA






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






47. Less condensed - transciptionally active=eu truly transcobed






48. Substituting a pyramidine for a pyrimadine






49. 2 H bonds greater GC content greater melting point






50. Cyclin depndent kinases; consituative and inactive







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