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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.
  • Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

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. Microtubule polymerization defect resulting in lowered phagocytosis. results in recurrent pyogenic infections - partial albinism and peripheral neuropathy






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






3. Condensed - transciptionally inactive HC- Highly condensed






4. Neuroglia






5. 9+2 arrangement of microtubules -






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






7. 75-90 nucleotides - 2ary structure cloverleaf form anticodon end is opposite 3 prime aminoacyl end






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






9. Changed aaconservative - new aa is similar in chemical structure






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






11. Neurons - skeletal - and cardiac muscle - RBCs






12. Odd 30S plus 50 S=70S






13. Alpha 1 antitrypisn






14. Codes for formyl methionine (f - Met)






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






16. Stretch of DNA that alters gene expression by binding transcription factors






17. 3 H bonds






18. Muscle






19. Ribonucleotide reductase






20. Greater melting temperature lower fluidity






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






22. Site where RNA polymerase and multiple other transciption factors bind to DNA upstream from gene locus (AT rich upstream sequence with TATA and CAAT boxes)






23. Prophas - metaphase - anaphase telophase






24. Attachment of ubiquitin to defective proteinds to tag them for breakdown






25. Contain the actual genetic information coding for protein






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






27. A site - incoming aminoacyl tRNA - Psite accomodates growing Peptide - E site holds EmplytRNA as it exits






28. ATP ase that links peripheral 9 doublets and causes bending of cilium by differential sliding of doublets






29. Hn RNA






30. Bm - kidney - ears and eyes






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






32. More than 1 codon may code for the same amino acid






33. Retrograde to microtubules






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






35. Enter G1 from G0 when stimulated Hepatocytes/lymphocytes






36. H1






37. Prevents stranges from reannealing






38. Inhibit formation of the initation complex and cause misreading of mRNA






39. Inhibits thymidylate synthase down thymine






40. Responsible for the accuracy of amino acid selection






41. The N to C






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






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






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






45. 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






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






47. Exocytose procollagen into extracellylar sace






48. Unattached to any membrane; site of cytosolic and organeller prtoeins






49. G1 - S - G2 - Mitosis






50. Rampant - Massive - TIny rRNA is most common - then mRNA and then tRNA






Can you answer 50 questions in 15 minutes?



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