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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. Cilia - glagella - mitotic spindle - neurons - centrioles






2. 1 RNA polymerase (multisubunite complex) makes all 3 kinds of RNA






3. CCA AT 3 PRIME END






4. Bm - kidney - ears and eyes






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






7. Antigout - acts on mts






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






9. Contain the actual genetic information coding for protein






10. AUG inAUGurates protein synthesis






11. 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






12. 75-90 nucleotides - 2ary structure cloverleaf form anticodon end is opposite 3 prime aminoacyl end






13. 1P blocked by chloramphenicaol and macrolide






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






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






16. Alpha 1 antitrypisn






17. Different exons can be combined to make nique protiens in different times






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






19. Lysine/hydroxylysine and combines to form collagen






20. Seals






21. Muscle






22. 2 H bonds greater GC content greater melting point






23. 3 sodium out for 2 potassium in (nout - kin)takes 1 atp and the machine is phosphorylated during the machine cycle






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






25. Ketone






26. Inhibits by binding to the potassium side






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






28. Tansport cellular cargo toward opposite ends of microtubule tracks






29. 1P (blocked by tetracycline)






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






31. 1) primary transcript combines with snRNPs and other proteins to form spliceosome 2) lariat shaped intermediate is generated 3) Lariat is removed and released to precisely join 2 exons






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






33. Codes for formyl methionine (f - Met)






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






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






36. Remain in G0 regenerate from stem cells






37. Microvilli - muscle contraction - cytokinesis - adhering juntions






38. Neurons - skeletal - and cardiac muscle - RBCs






39. Specific endonucleases release the oligonucleotide containing damaged bases. DNA polymerase and logase fill and resealt eh gap






40. Odd 30S plus 50 S=70S






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






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






43. RER translation of collagen alpha chains (preprocollagen) usually Gly-X-Y






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






45. Anit helminth - act on microtubules






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






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






48. Exocytose procollagen into extracellylar sace






49. Phosphorylation - glycosloation - hyderoxylation






50. Hn RNA