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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. Substituting a purine for a pyrimdine or vice versa






2. Antifungal - act on microtubules






3. Alpha 1 antitrypisn






4. Anti breast cancer - acts on mts






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






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






7. G1 - S - G2 - Mitosis






8. Inhibits dihydrofolate reductase down thymine






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






10. H1 string






11. Vimentin - desmin - cytockeratin - glial fibrillary acid proteins - neurofilaments






12. Remain in G0 regenerate from stem cells






13. ATP- AMP (2 phosphoanhydride bonds)






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






15. GTP






16. Inhibits bacterials dihydrofolate reducatese down thymine






17. 5 prime to 3 prime






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






19. Neurons - skeletal - and cardiac muscle - RBCs






20. Unwinds DNA template at replication fork






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






22. Seals






23. Made from IMP precursor






24. RNA polymerase I makes rRNA - RNA pol II makes mRNA - RNA pol III makes tRNA






25. Type III






26. Poly adenylation






27. VItamin C






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






29. Made from orogate precuror with PRPP added later






30. Base+ribose+phosphate linked by a phosphodiester bond






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






32. Particular sequnece in genomre where DNA replication begins. May be single (prokaryotes) or multiple (eukaryotes)






33. Tansport cellular cargo toward opposite ends of microtubule tracks






34. Exocytose procollagen into extracellylar sace






35. 1P (blocked by tetracycline)






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






37. Contain the actual genetic information coding for protein






38. Has enough energy to created the peptide bond






39. MRNA






40. Epithelial cells






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






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






43. Blocks denovo purine synthesis






44. Elastase






45. Antigout - acts on mts






46. Site where negative regulators bind






47. Retrograde to microtubules






48. Prophas - metaphase - anaphase telophase






49. One codon AUG






50. Base + ribose