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First Aid: Biochemistry Molecular

Instructions:
  • Answer 50 questions in 15 minutes.
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  • 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. Inhibits 50S peptidyl transferase






2. Base + ribose






3. AUG inAUGurates protein synthesis






4. HS1 - HSB - H2 - H4






5. Xlinked recessive IV collagen bm - kidney - ear and eye -- nephritis and defness ocular disturbances






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






7. Substituting a purine for a pyrimdine or vice versa






8. Faulty collagen synthesis causing 1) hyperextensible skin 2) tendency to bleed 3) hypermobile joints






9. GTP






10. Tansport cellular cargo toward opposite ends of microtubule tracks






11. RNA polymerase I makes rRNA - RNA pol II makes mRNA - RNA pol III makes tRNA






12. Even 40S 60S =80S






13. G1 - S - G2 - Mitosis






14. The N to C






15. Hydroxy proline and hydroxylysine






16. Anterograde to microtubule






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






18. Does not






19. AD and AR- associated iwth joint dislocation - berry aneurysms - organ rupture






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






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






22. Lysine/hydroxylysine and combines to form collagen






23. Ribonucleotide reductase






24. Cyclin depndent kinases; consituative and inactive






25. H1






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






27. Epithelial cells






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






29. Changed aaconservative - new aa is similar in chemical structure






30. Microvilli - muscle contraction - cytokinesis - adhering juntions






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






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






33. 3 H bonds






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






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






36. Anti cancer - act on microtubules






37. Change resulting in early stop codon






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






39. Seals






40. 9+2 arrangement of microtubules -






41. A malfunction of mismatch repair (MUt L etc..)






42. Anti breast cancer - acts on mts






43. Prokaryotic only. Elongates leading strand by adding deoxynucleotides to the 3prime end. Elongates laggin strand. 3 prime to 5 prime exonuclease activity






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






45. Anit helminth - act on microtubules






46. Enter G1 from G0 when stimulated Hepatocytes/lymphocytes






47. Substituting a pyramidine for a pyrimadine






48. Splicing out of introns






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






50. Alpha 1 antitrypisn







Sorry!:) No result found.

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