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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. Found DNA to be the genetic material in cells






2. 'chain'






3. Break down of molecules






4. Non polar molecule component of the CM (the 'tail')






5. Loss of e-






6. Membrane surrounding the cytoplasm






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






8. Location of translation






9. 'cluster'






10. It is the two single stranded regions of DNA that is being replicated






11. Not spontaneous - requires energy






12. Many amino acids bonded together with peptide bonds






13. Attraction






14. Construction site to build proteins from mRNA and tRNA






15. Binds to promoter which stops promotion of lactose






16. Transfer RNA that attaches to amino acids






17. 'four'






18. Bond between amino acids in a protein






19. Gain of e-






20. Okazaki fragments are than linke






21. Has 3 layers OM - CW - CM






22. Non-coding regions on mRNA






23. Found the transforming factor to be DNA






24. Build up of molecules






25. Purine adenine - ribose and 3 phosphates






26. Is an enzyme that cuts double-stranded or single stranded DNA at specific recognition sites






27. Protein channel






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






29. 'pair'






30. Replicated in fragments known as Okazaki Fragments






31. Process of breaking down glucose to pyruvate






32. NAD+ and a hydrogen - e- carrier






33. Spiral






34. Comma shaped






35. Found the double helicle structure of DNA






36. Protein that makes RNA primers and makes mRNA from DNA






37. Coding regions on mRNA






38. Unzips the DNA double Helix






39. Lays down DNA nucleotides






40. Removes Crystal Violet color from the gram negative bacteria






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






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






43. 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+






44. Is a code in which it is the same code forward as it is backwards - restriction sites






45. How cells use energy stored in food and molecules to make ATP






46. The empty space between the CW & the CM






47. Lagging strand






48. Covalent bonds between amino acids






49. Chains of molecules attached to the CW of a Gram + bacterium






50. Rod shaped