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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. Bm - kidney - ears and eyes






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






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






4. Never go to Go divide rapidly with short G1 bone marrow - gut epithelium - skin - hair follicles






5. 3 sodium out for 2 potassium in (nout - kin)takes 1 atp and the machine is phosphorylated during the machine cycle






6. Made from orogate precuror with PRPP added later






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






8. Ribonucleotide reductase






9. Condensed - transciptionally inactive HC- Highly condensed






10. 3 H bonds






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






12. The N to C






13. Inhibits ribonucleotide reductase






14. Retrograde to microtubules






15. Inhibits bacterials dihydrofolate reducatese down thymine






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






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






18. GTP






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






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






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






22. Intervening noncoding segments of DNA






23. Methyl THYmine has a meTHYl






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






25. 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






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






27. Elastase






28. Site where negative regulators bind






29. 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






30. Responsible for the accuracy of amino acid selection






31. Antigout - acts on mts






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






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






34. Anti breast cancer - acts on mts






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






36. Inhibits dihydrofolate reductase down thymine






37. Microvilli - muscle contraction - cytokinesis - adhering juntions






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






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






40. Blocks denovo purine synthesis






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






42. Poly adenylation






43. Anti cancer - act on microtubules






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






45. Even 40S 60S =80S






46. Splicing out of introns






47. Seals






48. Hydroxy proline and hydroxylysine






49. Neurons - skeletal - and cardiac muscle - RBCs






50. Prevents stranges from reannealing