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






2. 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






3. GTP






4. Microvilli - muscle contraction - cytokinesis - adhering juntions






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






6. UGA - UAG - UAA






7. Ketone






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






9. Even 40S 60S =80S






10. Methyl THYmine has a meTHYl






11. Remain in G0 regenerate from stem cells






12. VItamin C






13. Condensed - transciptionally inactive HC- Highly condensed






14. Less condensed - transciptionally active=eu truly transcobed






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






16. Activated by GTP hydrolosis initiation factors help assembel the 40 S ribosomal subunites with the initiatior tRNA and are released whent he mRNA and the ribosomal subunit assemple with the complex






17. Binds 50S blocking translocation






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






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






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






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






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






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






24. Retrograde to microtubules






25. Odd 30S plus 50 S=70S






26. Splicing out of introns






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






28. Contain the actual genetic information coding for protein






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






30. Enter G1 from G0 when stimulated Hepatocytes/lymphocytes






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






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






33. Proline - glycine






34. 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






35. Uracil






36. Genetic code is conserved throughout evolution






37. Cyclin depndent kinases; consituative and inactive






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






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






40. P53 and RB normally inhibit g1 to S progression






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






42. Connective tissue






43. Unwinds DNA template at replication fork






44. Hn RNA






45. 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)






46. Has enough energy to created the peptide bond






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






48. Unmethylated - newly synthesized string is recognized - mismatched nucleotides are removed and the gap is filled and resealed






49. Intervening noncoding segments of DNA






50. Anti breast cancer - acts on mts






Can you answer 50 questions in 15 minutes?



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