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






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






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






4. Location of transcription






5. Lactose binds to repressor and it releases from operator






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






7. Leading strand






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






9. Spontaneous - doesn't require energy






10. Found the transforming factor to be DNA






11. Loss of e-






12. 'four'






13. Outermost layer of the Gram Positive bacterium






14. Break down of molecules






15. NAD+ and a hydrogen - e- carrier






16. A sequence of three nucleotide in DNA & RNA






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






18. Is an enzyme that cuts double-stranded or single stranded DNA at specific recognition sites






19. Has 2 layers CW - CM






20. Signals the start of DNA replication






21. Has 3 layers OM - CW - CM






22. Initiates transcription






23. Covalent bonds between amino acids






24. Found DNA to be the genetic material in cells






25. Bond between amino acids in a protein






26. The last - ending codon that terminates the sequence






27. Build up of molecules






28. 2 phosphates attached to glucose forming a 6 carbon compound & 2Pi (1 phosphate glucose) - ATP becomes ADP - done twice to make a 1 -6 glucose - phosphorolates and makes NAD+






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






30. Series of amino acids held together by peptide bonds






31. Unzips the DNA double Helix






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






33. Stains gram negative and gram positive bacteria






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






35. The empty space between the CW & the CM






36. The process of creating mRNA using DNA






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






38. Spiral






39. Process of using mRNA to create proteins






40. Replicated in fragments known as Okazaki Fragments






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






42. Comma shaped






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






44. Keeps the DNA strands separated






45. Acts as a mordant






46. Components of the CW linked by peptide bonds






47. Monomers of proteins






48. Coding regions on mRNA






49. Found the double helicle structure of DNA






50. 2 - 3 carbon molecules with 2 phosphates