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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. Leading strand

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

3. Gain of e-

4. Polymer of carbohydrates joined together by glycosidic bonds

5. Spiral

6. Replicated continuously

7. 'four'

8. Stains gram negative and gram positive bacteria

9. Unzips the DNA double Helix

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

11. Okazaki fragments are than linke

12. Build up of molecules

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

14. Monomers of proteins

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

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

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

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

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

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

21. Break down of molecules

22. The empty space between the CW & the CM

23. Found DNA to be the genetic material in cells

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

25. Has 3 layers OM - CW - CM

26. Outermost layer of the Gram Positive bacterium

27. NAD+ and a hydrogen - e- carrier

28. Uncoils the DNA strand

29. Glyceraldyhyde 3 Phosphaet Dehydrogenase - phosphorolates and reduces NAD by adding 2e- and a H+

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

31. Location of translation

32. Attraction

33. Replicated in fragments known as Okazaki Fragments

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

35. Membrane surrounding the cytoplasm

36. Lagging strand

37. 2 - 3 carbon molecules with 2 phosphates

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

39. Loss of e-

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

41. Are Restriction Enzymes

42. Binds to promoter which stops promotion of lactose

43. Has 2 layers CW - CM

44. Energy required

45. Not spontaneous - requires energy

46. Bonds between NAG and NAM

47. 'water fearing' (non polar molecules) ie. Lipid tail

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

49. Lipid component of endotoxin (Gram -)

50. Construction site to build proteins from mRNA and tRNA