Test your basic knowledge |

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. Lays down DNA nucleotides






2. Replicated continuously






3. Stains gram negative and gram positive bacteria






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






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






6. Circular






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






8. Many amino acids bonded together with peptide bonds






9. Released from a lipopolysaccharide in a Gram - bacterium






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






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






12. Cuts the introns out of mRNA






13. (LPS); lipids and polysaccharides linked together by covalent bonds






14. Bond between amino acids in a protein






15. Process of breaking down glucose to pyruvate






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






17. A sequence of three nucleotide in DNA & RNA






18. 'chain'






19. Polymer of carbohydrates joined together by glycosidic bonds






20. Break down of molecules






21. Bonds between NAG & NAG or NAM & NAM






22. Found DNA to be the genetic material in cells






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






24. Lagging strand


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






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






27. Loss of e-






28. Transfer RNA that attaches to amino acids






29. Acts as a mordant






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






31. Microbes; single celled microorganisms






32. Leading strand


33. Bonds between NAG and NAM






34. 2-layer permeable membrane that forms a continuous barrier around a cell






35. Protein channel






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






37. The process of creating mRNA using DNA






38. Monomers of proteins






39. Purine adenine - ribose and 3 phosphates






40. Okazaki fragments are than linke






41. Build up of molecules






42. Where RNA polymerase starts






43. Comma shaped






44. Has 3 layers OM - CW - CM






45. 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+






46. Place where repressor binds - where RNA polymerase binds






47. Location of translation






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






49. Outermost layer of the Gram Positive bacterium






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