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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. One codon AUG






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






3. Retrograde to microtubules






4. CUT 1 ring Cut the Py






5. HS1 - HSB - H2 - H4






6. 1 RNA polymerase (multisubunite complex) makes all 3 kinds of RNA






7. Connective tissue






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






9. Lysine/hydroxylysine and combines to form collagen






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






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






12. Ketone






13. Contain the actual genetic information coding for protein






14. ATP






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






16. Anti cancer - act on microtubules






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






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






19. 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)






20. Enter G1 from G0 when stimulated Hepatocytes/lymphocytes






21. Made from orogate precuror with PRPP added later






22. 1P (blocked by tetracycline)






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






24. The N to C






25. Inhibit DNA gyrase (specific prokaryotic topoisomerase)






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






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






28. 75-90 nucleotides - 2ary structure cloverleaf form anticodon end is opposite 3 prime aminoacyl end






29. Type III






30. CCA AT 3 PRIME END






31. Specific glycosylases recognize and remove damaged bases - AP endonuclease cuts DNA at pyrimidne site - empty sugar is removed and the gap is filled and resealed






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






33. ATP- AMP (2 phosphoanhydride bonds)






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






35. Made from IMP precursor






36. Odd 30S plus 50 S=70S






37. Methyl THYmine has a meTHYl






38. 3 sodium out for 2 potassium in (nout - kin)takes 1 atp and the machine is phosphorylated during the machine cycle






39. MRNA






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






41. 2 H bonds greater GC content greater melting point






42. Site of secretory protiens (mucus secreting goblet cells and antibody secreting cells)






43. Condensed - transciptionally inactive HC- Highly condensed






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






45. Hydroxy proline and hydroxylysine






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






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






48. Scrutinizes aa before and after it binds to tRNA. If incorrect bond is hydrolyzed.






49. Intervening noncoding segments of DNA






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