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DSST Biochemistry 2

Subjects : dsst, science
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. Construction site to build proteins from mRNA and tRNA






2. Bonds between NAG & NAG or NAM & NAM






3. That doesn't contain a nucleus or membrane bound organelles (small cell)






4. The last - ending codon that terminates the sequence






5. Found one to one ratio between base pairs






6. 'water fearing' (non polar molecules) ie. Lipid tail






7. Attraction






8. The process of creating mRNA using DNA






9. LPS layer of a Gram Negative bacterium






10. Lagging strand


11. Okazaki fragments are than linke






12. Non-coding regions on mRNA






13. Location of translation






14. 'pair'






15. Makes a repressor - binds to promoter/operator to stop RNA polymerase






16. 'cluster'






17. Protein channel






18. Bacteria cell that contains: OM - CW - periplamic space - & CM






19. How protein synthesis is regulated prokaryoticly on plasmid of the cell






20. Binds to promoter which stops promotion of lactose






21. Energy required






22. Are Restriction Enzymes






23. Where RNA polymerase starts






24. 2 - 3 carbon molecules with 2 phosphates






25. How strong a molecule/atom can pull e-






26. Where the double stranded end came a part and the complimentary start join






27. The first - leading codon in a sequence of codons (AUG)






28. Gain of e-






29. Cell that contains a nucleus and membrane bound organelles (big cell)






30. Is an enzyme that glues the sticky or the blunt ends to join the strands






31. Purine adenine - ribose and 3 phosphates






32. Not spontaneous - requires energy






33. Lipid component of endotoxin (Gram -)






34. Bonds between NAG and NAM






35. Loss of e-






36. Comma shaped






37. Stains gram negative and gram positive bacteria






38. Acts as a mordant






39. Microbes; single celled microorganisms






40. 'four'






41. Spiral






42. A set of codons that terminates the sequence (stop codon)






43. Found DNA to be the genetic material in cells






44. Lays down DNA nucleotides






45. The codon on tRNA that matches up with and attaches to a codon on mRNA






46. Replicated in fragments known as Okazaki Fragments






47. Initiates transcription






48. Location of transcription






49. 2 phosphates attached to glucose forming a 6 carbon compound & 2Pi (1 phosphate glucose) - ATP becomes ADP - done twice to make a 1 -6 glucose - phosphorolates and makes NAD+






50. One of the four bases in mRNA (replaces thymine)