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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. Anit helminth - act on microtubules






2. Mutation in nucleotide excision repair Dry skin with melanoma and other cancers






3. Elastase






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






5. Immotile cilia due to a dyenin arm defect. Results in male nad female inferticility (sperm immotile) - bronchiectasis - and recurrent sinusisits - associated with situs inversus






6. Proline - glycine






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






8. Inhibits bacterials dihydrofolate reducatese down thymine






9. Non homologous end joining






10. Genetic code is conserved throughout evolution






11. Alpha 1 antitrypisn






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






13. Seals






14. Inhibits ribonucleotide reductase






15. Inhibits dihydrofolate reductase down thymine






16. In the nucleus after transcitpion and only processed RNA is transporte out of the nucleus






17. Commonly results in dramatic decrease in amount of gene transcribed






18. Inhibits thymidylate synthase down thymine






19. Type III






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






21. Antifungal - act on microtubules






22. Three amino acids necessary for purine synthesis= glutamine - aspartate and glycine






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






24. Nucleotide excision repair - Base Excision repair - Mismath repair






25. Genetic bone disorder (brittle bone disease) type 1 colalgen - fractures (during birth) 2) Blue sclerae 3) hearing loss 4) dental imperfections 1:10000 may be confused with child abuse






26. Each codon specifies only 1 amino acid






27. 1P blocked by chloramphenicaol and macrolide






28. Contain the actual genetic information coding for protein






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






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






31. 3 H bonds






32. Muscle






33. Introns stay In the nucleus whereas EXons EXit and are EXpressed






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






35. Odd 30S plus 50 S=70S






36. 4 high enrgy bonds






37. Intervening noncoding segments of DNA






38. Inhibit formation of the initation complex and cause misreading of mRNA






39. Prevents stranges from reannealing






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






41. Unwinds DNA template at replication fork






42. Anti breast cancer - acts on mts






43. CCA AT 3 PRIME END






44. The N to C






45. Microvilli - muscle contraction - cytokinesis - adhering juntions






46. Made from IMP precursor






47. UGA - UAG - UAA






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






49. 75-90 nucleotides - 2ary structure cloverleaf form anticodon end is opposite 3 prime aminoacyl end






50. CUT 1 ring Cut the Py