Test your basic knowledge |

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. Each codon specifies only 1 amino acid






2. CUT 1 ring Cut the Py






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






4. Site where negative regulators bind






5. GTP






6. Substituting a purine for a pyrimdine or vice versa






7. Enter G1 from G0 when stimulated Hepatocytes/lymphocytes






8. Inhibits dihydrofolate reductase down thymine






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






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






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






12. Bind 50S blocking translocation






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






14. MRNA






15. Anterograde to microtubule






16. UGA - UAG - UAA






17. The N to C






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






19. Made from orogate precuror with PRPP added later






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






21. Create a nick in the helix to relieve supercoils created during replication






22. 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






23. 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)






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






25. H1






26. Binds 50S blocking translocation






27. Hydroxy proline and hydroxylysine






28. Accurate base pairing is required only in the first 2 nucleotide positions of an mRNA so codons differing ht e3rd wobble psoition may code for the same tRNA/amino acid code






29. The 3 prime end






30. Exocytose procollagen into extracellylar sace






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






32. Change resulting in early stop codon






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






34. 1P (blocked by tetracycline)






35. Scrutinizes aa before and after it binds to tRNA. If incorrect bond is hydrolyzed.






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






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






38. Greater melting temperature lower fluidity






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






40. 2 H bonds greater GC content greater melting point






41. Cyclin depndent kinases; consituative and inactive






42. Unattached to any membrane; site of cytosolic and organeller prtoeins






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






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






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






46. Inhibits bacterials dihydrofolate reducatese down thymine






47. Inhibits thymidylate synthase down thymine






48. Prophas - metaphase - anaphase telophase






49. Neurons - skeletal - and cardiac muscle - RBCs






50. Unwinds DNA template at replication fork







Sorry!:) No result found.

Can you answer 50 questions in 15 minutes?


Let me suggest you:



Major Subjects



Tests & Exams


AP
CLEP
DSST
GRE
SAT
GMAT

Most popular tests