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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. Made from orogate precuror with PRPP added later






2. Inhibits bacterials dihydrofolate reducatese down thymine






3. Seals






4. Prokaryotic only. Degrades RNA primer and fills in the gap with DNA (5 prime to 3 prime exonuclease)






5. Bind 50S blocking translocation






6. Never go to Go divide rapidly with short G1 bone marrow - gut epithelium - skin - hair follicles






7. The 3 prime hydroxyl of the nascent chain is the target






8. 1P blocked by chloramphenicaol and macrolide






9. Condensed - transciptionally inactive HC- Highly condensed






10. 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)






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






12. CCA AT 3 PRIME END






13. Splicing out of introns






14. Microvilli - muscle contraction - cytokinesis - adhering juntions






15. 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






16. Odd 30S plus 50 S=70S






17. Substituting a pyramidine for a pyrimadine






18. Hydroxy proline and hydroxylysine






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






20. Promoter - enhancer - promoter - TATA- transcription initiation site - coding region (including exons and introns) and then the AATAAA






21. Bind 30S subunit preventing attachment of aminoacyl - tRNA






22. 3 H bonds






23. Antifungal - act on microtubules






24. Base + ribose






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






26. Anit helminth - act on microtubules






27. Less condensed - transciptionally active=eu truly transcobed






28. Even 40S 60S =80S






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






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






31. Greater melting temperature lower fluidity






32. UGA - UAG - UAA






33. Exocytose procollagen into extracellylar sace






34. Blocks denovo purine synthesis






35. Negatively charged DNA loops twice around histone octamers create a nucloesome bead.






36. Inhibits by binding to the potassium side






37. 1P (blocked by tetracycline)






38. 1 RNA polymerase (multisubunite complex) makes all 3 kinds of RNA






39. Be So Totatally Cool Read Books (bOne - CarTWOlage - Threeticular - Type IV under the floor)






40. Aminoacyl - tRNA binds to A site 2) peptidyltransferase catalyzes peptide bond formation transfers growing polypeptie to amino acid in A site 3) ribosome advances 3 nucleotides toward the 3 prime end of RNA moving peptiydyl RNA to P site






41. Anti cancer - act on microtubules






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






43. Binds 50S blocking translocation






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






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






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






47. Elastase






48. HS1 - HSB - H2 - H4






49. Codes for formyl methionine (f - Met)






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