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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. Site where negative regulators bind






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






3. Methyl THYmine has a meTHYl






4. Inhibit DNA gyrase (specific prokaryotic topoisomerase)






5. Elastase






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






7. Prophas - metaphase - anaphase telophase






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






9. AUG inAUGurates protein synthesis






10. Blocks denovo purine synthesis






11. 2 H bonds greater GC content greater melting point






12. Inhbits RNA pol II (found in death cap mushrooms)






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






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






15. Anterograde to microtubule






16. Substituting a pyramidine for a pyrimadine






17. Hn RNA






18. Less condensed - transciptionally active=eu truly transcobed






19. Contain the actual genetic information coding for protein






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






21. Unwinds DNA template at replication fork






22. Cyclin depndent kinases; consituative and inactive






23. Hydroxy proline and hydroxylysine






24. Remain in G0 regenerate from stem cells






25. Substituting a purine for a pyrimdine or vice versa






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






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






28. Exocytose procollagen into extracellylar sace






29. Made from orogate precuror with PRPP added later






30. CUT 1 ring Cut the Py






31. H1






32. HS1 - HSB - H2 - H4






33. The 5prime end (energy for the bond)






34. Ribonucleotide reductase






35. Anit helminth - act on microtubules






36. P53 and RB normally inhibit g1 to S progression






37. Responsible for the accuracy of amino acid selection






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






39. 1P blocked by chloramphenicaol and macrolide






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






41. Prokaryotic only. Elongates leading strand by adding deoxynucleotides to the 3prime end. Elongates laggin strand. 3 prime to 5 prime exonuclease activity






42. 3 sodium out for 2 potassium in (nout - kin)takes 1 atp and the machine is phosphorylated during the machine cycle






43. Greater melting temperature lower fluidity






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






45. Epithelial cells






46. 75-90 nucleotides - 2ary structure cloverleaf form anticodon end is opposite 3 prime aminoacyl end






47. 3 H bonds






48. Enter G1 from G0 when stimulated Hepatocytes/lymphocytes






49. Genetic code is conserved throughout evolution






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