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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. Tansport cellular cargo toward opposite ends of microtubule tracks






2. Does not






3. Lysine/hydroxylysine and combines to form collagen






4. 2 H bonds greater GC content greater melting point






5. H1 string






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






7. Particular sequnece in genomre where DNA replication begins. May be single (prokaryotes) or multiple (eukaryotes)






8. Connective tissue






9. VItamin C






10. MRNA






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






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






13. Exocytose procollagen into extracellylar sace






14. 3 sodium out for 2 potassium in (nout - kin)takes 1 atp and the machine is phosphorylated during the machine cycle






15. Antifungal - act on microtubules






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






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






18. Retrograde to microtubules






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






20. Prokaryotic only. Degrades RNA primer and fills in the gap with DNA (5 prime to 3 prime exonuclease)






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






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






23. Poly adenylation






24. 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






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






26. G1 - S - G2 - Mitosis






27. ATP- AMP (2 phosphoanhydride bonds)






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






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. 9+2 arrangement of microtubules -






31. Made from IMP precursor






32. Hydroxy proline and hydroxylysine






33. Neuroglia






34. Proline - glycine






35. 75-90 nucleotides - 2ary structure cloverleaf form anticodon end is opposite 3 prime aminoacyl end






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






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






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






39. CCA AT 3 PRIME END






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






41. Splicing out of introns






42. Anti cancer - act on microtubules






43. Remain in G0 regenerate from stem cells






44. Site where negative regulators bind






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






46. Inhibits 50S peptidyl transferase






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






48. Ketone






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






50. Completed protein is released from ribosme through simple hydrolosis and dissociates