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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. Remain in G0 regenerate from stem cells






2. 2 H bonds greater GC content greater melting point






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






4. Anit helminth - act on microtubules






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






6. H1






7. 3 sodium out for 2 potassium in (nout - kin)takes 1 atp and the machine is phosphorylated during the machine cycle






8. Does not






9. Bm - kidney - ears and eyes






10. Cilia - glagella - mitotic spindle - neurons - centrioles






11. Methionine - which may be removed before translation is completed






12. 3 H bonds






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






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






15. ATP






16. Neurons - skeletal - and cardiac muscle - RBCs






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






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






19. Splicing out of introns






20. Hn RNA






21. Phosphorylation - glycosloation - hyderoxylation






22. Microvilli - muscle contraction - cytokinesis - adhering juntions






23. Antigout - acts on mts






24. 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)






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






26. Base + ribose






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






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






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






30. Ribonucleotide reductase






31. Made from orogate precuror with PRPP added later






32. Prevents stranges from reannealing






33. Elastase






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






35. The 3 prime end






36. Epithelial cells






37. Same aa often base change in 3rd position of codon






38. Retrograde to microtubules






39. Alpha 1 antitrypisn






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






41. Neurons






42. Inhibits bacterials dihydrofolate reducatese down thymine






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






44. Made from IMP precursor






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






46. CCA AT 3 PRIME END






47. Scrutinizes aa before and after it binds to tRNA. If incorrect bond is hydrolyzed.






48. 5 prime to 3 prime






49. Binds 50S blocking translocation






50. CUT 1 ring Cut the Py