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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. Capping on 5 prime end (7 methylguanosine) -






2. HS1 - HSB - H2 - H4






3. Has enough energy to created the peptide bond






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






5. 3 sodium out for 2 potassium in (nout - kin)takes 1 atp and the machine is phosphorylated during the machine cycle






6. 1P (blocked by tetracycline)






7. Asymmetric fluid bilayer - contains - cholesterol - phospholipids - sphingoplipids - glycolipids - and protiends






8. Intervening noncoding segments of DNA






9. Lysine/hydroxylysine and combines to form collagen






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






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






12. Base + ribose






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






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






15. Site where negative regulators bind






16. Seals






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






18. Phosphorylation - glycosloation - hyderoxylation






19. Muscle






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






21. Epithelial cells






22. 75-90 nucleotides - 2ary structure cloverleaf form anticodon end is opposite 3 prime aminoacyl end






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






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






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






26. Three amino acids necessary for purine synthesis= glutamine - aspartate and glycine






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






28. G1 - S - G2 - Mitosis






29. Non homologous end joining






30. Tansport cellular cargo toward opposite ends of microtubule tracks






31. ATP- AMP (2 phosphoanhydride bonds)






32. Made from IMP precursor






33. Remain in G0 regenerate from stem cells






34. CCA AT 3 PRIME END






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






36. Substituting a purine for a pyrimdine or vice versa






37. Unwinds DNA template at replication fork






38. Substituting a pyramidine for a pyrimadine






39. Antifungal - act on microtubules






40. Inhibits by binding to the potassium side






41. Elastase






42. Blocks denovo purine synthesis






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






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






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






46. Neuroglia






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






48. 5 prime to 3 prime






49. Inhibits 50S peptidyl transferase






50. Cylindrical structure composed of helical array of plymerized dimers of alpha and beta tubulin - flagella - cilia - mitotic spindle - grows slowly collapses quickly