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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. Cuts the introns out of mRNA






2. The chemical process in which glucose is broken down into two parts






3. Bonds between NAG & NAG or NAM & NAM






4. Found one to one ratio between base pairs






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






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






7. Microbes; single celled microorganisms






8. 'chain'






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






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






11. Stains the Lipid A of gram positive bacteria cell wall






12. Build up of molecules






13. A sequence of three nucleotide in DNA & RNA






14. 2 - 3 carbon molecules with 2 phosphates






15. The process of creating mRNA using DNA






16. Coding regions on mRNA






17. Unzips the DNA double Helix






18. 'pair'






19. Signals the start of DNA replication






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






21. Leading strand

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22. Lays down RNA Primase to indicate the start of replication






23. Monomers of proteins






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






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






26. Nicotinamide Adenine Dinuecleotide






27. Transfer RNA that attaches to amino acids






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






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






30. Keeps the DNA strands separated






31. Loss of e-






32. Many amino acids bonded together with peptide bonds






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






34. Bacteria cell that contains: CW - periplasmic space - & CM






35. Are Restriction Enzymes






36. LPS layer of a Gram Negative bacterium






37. Process of using mRNA to create proteins






38. (LPS); lipids and polysaccharides linked together by covalent bonds






39. Outermost layer of the Gram Positive bacterium






40. Lactose binds to repressor and it releases from operator






41. Location of transcription






42. Comma shaped






43. Found the double helicle structure of DNA






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






45. Lagging strand

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






47. Not spontaneous - requires energy






48. Attraction






49. Found DNA to be the genetic material in cells






50. Binds to promoter which stops promotion of lactose