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DSST Biochemistry 2

Subjects : dsst, science
  • Answer 50 questions in 15 minutes.
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  • Match each statement with the correct term.
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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