Test your basic knowledge |

DSST Biochemistry 2

Subjects : dsst, science
  • 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. Uncoils the DNA strand

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

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

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

5. Series of amino acids held together by peptide bonds

6. Okazaki fragments are than linke

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

8. 'four'

9. Lactose binds to repressor and it releases from operator

10. Acts as a mordant

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

12. Removes Crystal Violet color from the gram negative bacteria

13. Polymer of carbohydrates joined together by glycosidic bonds

14. Makes a repressor - binds to promoter/operator to stop RNA polymerase

15. Membrane surrounding the cytoplasm

16. Has 2 layers CW - CM

17. Break down of molecules

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

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

20. Cuts the introns out of mRNA

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

22. 'cluster'

23. The process of creating mRNA using DNA

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

25. 2 - 3 carbon molecules with 2 phosphates

26. Microbes; single celled microorganisms

27. Construction site to build proteins from mRNA and tRNA

28. Nicotinamide Adenine Dinuecleotide

29. Bonds between NAG & NAG or NAM & NAM

30. Outermost layer of the Gram Positive bacterium

31. Location of translation

32. Leading strand

33. The last - ending codon that terminates the sequence

34. Protein channel

35. Attraction

36. Released from a lipopolysaccharide in a Gram - bacterium

37. Loss of e-

38. Lagging strand

39. Found the transforming factor to be DNA

40. Keeps the DNA strands separated

41. Lays down DNA nucleotides

42. Gain of e-

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

44. Rod shaped

45. Replicated continuously

46. LPS layer of a Gram Negative bacterium

47. Spontaneous - doesn't require energy

48. Lipid component of endotoxin (Gram -)

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

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