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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. Blocks denovo purine synthesis






2. Antigout - acts on mts






3. Ketone






4. Cyclin depndent kinases; consituative and inactive






5. VItamin C






6. Tansport cellular cargo toward opposite ends of microtubule tracks






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






8. Substituting a pyramidine for a pyrimadine






9. Contain the actual genetic information coding for protein






10. The N to C






11. Brings together 2 ends of DNA fragments no requirement for homology






12. Neurons - skeletal - and cardiac muscle - RBCs






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






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






15. UGA - UAG - UAA






16. Specific endonucleases release the oligonucleotide containing damaged bases. DNA polymerase and logase fill and resealt eh gap






17. Capping on 5 prime end (7 methylguanosine) -






18. Anterograde to microtubule






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






20. 3 sodium out for 2 potassium in (nout - kin)takes 1 atp and the machine is phosphorylated during the machine cycle






21. Inhibit DNA gyrase (specific prokaryotic topoisomerase)






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






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






24. Bm - kidney - ears and eyes






25. More than 1 codon may code for the same amino acid






26. Phosphorylation - glycosloation - hyderoxylation






27. Antifungal - act on microtubules






28. Poly adenylation






29. 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






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






31. Epithelial cells






32. Remain in G0 regenerate from stem cells






33. GTP






34. Retrograde to microtubules






35. Seals






36. Completed protein is released from ribosme through simple hydrolosis and dissociates






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






38. Made from IMP precursor






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






40. One codon AUG






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






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






43. Site where negative regulators bind






44. Anti cancer - act on microtubules






45. HS1 - HSB - H2 - H4






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






47. Hydroxy proline and hydroxylysine






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






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






50. Inhibits by binding to the potassium side