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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. Cyclin depndent kinases; consituative and inactive






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






3. Has enough energy to created the peptide bond






4. Inhibits by binding to the potassium side






5. Contain the actual genetic information coding for protein






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






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






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






9. Binds 50S blocking translocation






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






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






12. Bind 50S blocking translocation






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






14. Exocytose procollagen into extracellylar sace






15. Base + ribose






16. Inhibits 50S peptidyl transferase






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






18. GTP






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






20. 75-90 nucleotides - 2ary structure cloverleaf form anticodon end is opposite 3 prime aminoacyl end






21. 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)






22. Each codon specifies only 1 amino acid






23. Less condensed - transciptionally active=eu truly transcobed






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






25. Rampant - Massive - TIny rRNA is most common - then mRNA and then tRNA






26. Substituting a pyramidine for a pyrimadine






27. Anti cancer - act on microtubules






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






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






30. Condensed - transciptionally inactive HC- Highly condensed






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






32. Uracil






33. Type III






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






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






36. Codes for formyl methionine (f - Met)






37. Genetic code is conserved throughout evolution






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






39. Connective tissue






40. Elastase






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






42. 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






43. Neuroglia






44. Muscle






45. Made from orogate precuror with PRPP added later






46. 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






47. Seals






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






49. 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






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