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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. Stains the Lipid A of gram positive bacteria cell wall






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






3. Acts as a mordant






4. Lays down DNA nucleotides






5. Found the transforming factor to be DNA






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






7. Released from a lipopolysaccharide in a Gram - bacterium






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






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






10. Bonds between NAG & NAG or NAM & NAM






11. Build up of molecules






12. Where RNA polymerase starts






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






14. Binds to promoter which stops promotion of lactose






15. Microbes; single celled microorganisms






16. Location of transcription






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






18. Location of translation






19. Polymer of carbohydrates joined together by glycosidic bonds






20. Many amino acids bonded together with peptide bonds






21. Protein channel






22. Rod shaped






23. Cuts the introns out of mRNA






24. Covalent bonds between amino acids






25. Process of using mRNA to create proteins






26. 'cluster'






27. Leading strand


28. Gain of e-






29. Has 3 layers OM - CW - CM






30. Unzips the DNA double Helix






31. A sequence of three nucleotide in DNA & RNA






32. The last - ending codon that terminates the sequence






33. Initiates transcription






34. Monomers of proteins






35. Membrane surrounding the cytoplasm






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






37. Outermost layer of the Gram Positive bacterium






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






39. Break down of molecules






40. Circular






41. Stains gram negative and gram positive bacteria






42. Replicated continuously






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






44. Phosphate is added to a molecule to make it unstable. Molecule more easily broken now.






45. Place where repressor binds - where RNA polymerase binds






46. Murein; consists of sugars & amino acids that make a mesh-like layer outside the CW






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






48. 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+






49. Found DNA to be the genetic material in cells






50. Replicated in fragments known as Okazaki Fragments