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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. Process of using mRNA to create proteins

2. Cuts the introns out of mRNA

3. Bond between amino acids in a protein

4. Spiral

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

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

7. Circular

8. Gain of e-

9. Leading strand

10. Break down of molecules

11. Uncoils the DNA strand

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

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

14. Has 3 layers OM - CW - CM

15. Replicated continuously

16. Lays down DNA nucleotides

17. 'pair'

18. Signals the start of DNA replication

19. 2 - 3 carbon molecules with 2 phosphates

20. Lactose binds to repressor and it releases from operator

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

22. Series of amino acids held together by peptide bonds

23. 'cluster'

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

25. Comma shaped

26. Okazaki fragments are than linke

27. Outermost layer of the Gram Positive bacterium

28. Microbes; single celled microorganisms

29. Nicotinamide Adenine Dinuecleotide

30. Polar molecule component of the CM (the 'head')

31. Attraction

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

33. Stains the LPS of the gram negative bacteria

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

35. Not spontaneous - requires energy

36. Bonds between NAG & NAG or NAM & NAM

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

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

39. Found one to one ratio between base pairs

40. 'four'

41. Replicated in fragments known as Okazaki Fragments

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

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

44. Acts as a mordant

45. Energy required

46. Breaks down lactase

47. Has 2 layers CW - CM

48. Where RNA polymerase starts

49. Removes Crystal Violet color from the gram negative bacteria

50. Location of translation