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First Aid: Biochemistry Molecular

Instructions:
  • Answer 50 questions in 15 minutes.
  • If you are not ready to take this test, you can study here.
  • 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. Prokaryotic only. Degrades RNA primer and fills in the gap with DNA (5 prime to 3 prime exonuclease)






2. H1 string






3. Base + ribose






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






5. Close to - far from or even within (in an intron) the gene whose expression it regulates






6. Prophas - metaphase - anaphase telophase






7. Makes an RNA primer on which DNA polymerase II can initiate replication






8. Even 40S 60S =80S






9. 1P blocked by chloramphenicaol and macrolide






10. ATP- AMP (2 phosphoanhydride bonds)






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






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






13. Intervening noncoding segments of DNA






14. Capping on 5 prime end (7 methylguanosine) -






15. Non homologous end joining






16. Inhibit DNA gyrase (specific prokaryotic topoisomerase)






17. Inhibits thymidylate synthase down thymine






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






19. Antifungal - act on microtubules






20. DNA And RNA synthesized in the 5-3 direction






21. Inhibits the atpase which increases intracellular sodium which increases intracellular calcium increases cardiaccontractility






22. Genetic code is conserved throughout evolution






23. Retrograde to microtubules






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






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






26. Lysine/hydroxylysine and combines to form collagen






27. 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






28. Methyl THYmine has a meTHYl






29. Anti breast cancer - acts on mts






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






31. Site of secretory protiens (mucus secreting goblet cells and antibody secreting cells)






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






33. 1 RNA polymerase (multisubunite complex) makes all 3 kinds of RNA






34. 9+2 arrangement of microtubules -






35. Connective tissue






36. G1 - S - G2 - Mitosis






37. Anterograde to microtubule






38. Does not






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






40. Muscle






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






42. Microvilli - muscle contraction - cytokinesis - adhering juntions






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






44. VItamin C






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






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






47. Neurons






48. Neurons - skeletal - and cardiac muscle - RBCs






49. 2 H bonds greater GC content greater melting point






50. H1