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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. Polymer of carbohydrates joined together by glycosidic bonds






2. Signals the start of DNA replication






3. 2 - 3 carbon molecules with 2 phosphates






4. Bonds between NAG & NAG or NAM & NAM






5. Location of transcription






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






7. Where RNA polymerase starts






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






9. Purine adenine - ribose and 3 phosphates






10. Components of the CW linked by peptide bonds






11. Covalent bonds between amino acids






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






13. Location of translation






14. Cuts the introns out of mRNA






15. Stains gram negative and gram positive bacteria






16. Messenger RNA that leaves the nucleus with the genetic code for a protein






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






18. Coding regions on mRNA






19. The process of creating mRNA using DNA






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






21. Unzips the DNA double Helix






22. Keeps the DNA strands separated






23. Removes Crystal Violet color from the gram negative bacteria






24. Non-coding regions on mRNA






25. Spiral






26. Not spontaneous - requires energy






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






28. Comma shaped






29. Breaks down lactase






30. Found DNA to be the genetic material in cells






31. Bonds between NAG and NAM






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






33. The empty space between the CW & the CM






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






35. Build up of molecules






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






37. Construction site to build proteins from mRNA and tRNA






38. Nicotinamide Adenine Dinuecleotide






39. A sequence of three nucleotide in DNA & RNA






40. Process of breaking down glucose to pyruvate






41. Circular






42. Break down of molecules






43. LPS layer of a Gram Negative bacterium






44. Stop free radicals from damaging cells - helps O trap e-






45. Monomers of proteins






46. Leading strand






47. Many amino acids bonded together with peptide bonds






48. Okazaki fragments are than linke






49. 'four'






50. Protein channel