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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. Retrograde to microtubules






2. Greater melting temperature lower fluidity






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






4. Contain the actual genetic information coding for protein






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






6. G1 - S - G2 - Mitosis






7. 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






8. Unmethylated - newly synthesized string is recognized - mismatched nucleotides are removed and the gap is filled and resealed






9. H1 string






10. Inhbits RNA pol II (found in death cap mushrooms)






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






12. Alpha 1 antitrypisn






13. Hn RNA






14. Binds 50S blocking translocation






15. Odd 30S plus 50 S=70S






16. Anti breast cancer - acts on mts






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






18. GTP






19. Proline - glycine






20. 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






21. Made from IMP precursor






22. Checkpoints control transition between phases of cell cycle. regulated by cyclins - CDKs and tumor suppressors. Mitosis (shortest phse)






23. Introns stay In the nucleus whereas EXons EXit and are EXpressed






24. AUG inAUGurates protein synthesis






25. Exocytose procollagen into extracellylar sace






26. Ketone






27. Inhibits dihydrofolate reductase down thymine






28. Cleave terminal regions of procollagen to transform into insoluable tropocolagen






29. HS1 - HSB - H2 - H4






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






31. Be So Totatally Cool Read Books (bOne - CarTWOlage - Threeticular - Type IV under the floor)






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






33. 3 H bonds






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






35. 1P blocked by chloramphenicaol and macrolide






36. Inhibits 50S peptidyl transferase






37. Substituting a pyramidine for a pyrimadine






38. Promoter - enhancer - promoter - TATA- transcription initiation site - coding region (including exons and introns) and then the AATAAA






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






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






41. Base + ribose






42. 5 prime to 3 prime






43. Muscle






44. Ribonucleotide reductase






45. Regulatory proteins that control cell cycle events; phase specific; activated CDKs






46. The N to C






47. Negatively charged DNA loops twice around histone octamers create a nucloesome bead.






48. Trimming removal of n or c terminal propeptides from zymogens to generate mature proteinds






49. The 3 prime end






50. Epithelial cells







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