Test your basic knowledge |

Biochemistry

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. In which direction is protein synthesized






2. How do tetracyclines work






3. What is the Name and fxn of vit B12






4. Where is vit A found in the diet






5. What does aminoacyl tRNA synthetase do the AA before and after it binds to tRNA - and what happens if it's the wrong the match






6. In a 1000 meter run - Where does energy come from






7. What does apoE do






8. Which RNA poly opens DNA at promotor site






9. What tissue samples are used for karyotyping






10. What enzyme esterifies 2/3 of plasma cholesterol






11. What is the defectin IV - hypertriglyceridemia






12. What enzyme def can cause emphysema






13. What form of amino acids are found in proteins






14. What does a phosphatase do






15. Type III collagen






16. What does the ELISA test for






17. What bone disorder has x linked dominant inheritance






18. What is the function of folic acid






19. colon becomes covered witih adenomatous polyps after puberty - progresses to colon cancer unless resected






20. What is the active form of vit D






21. Inhibition of thymidilate synthase and and DHFR lead to decrease In what substance






22. congenital deficiency of homogentisic acid oxidase in the degradative pathway of tyrosine to fumarate leading to dark connective tissue - brown pigmented sclera - urine turns black on standing - dz and worst complication






23. What is the breakdown product of epi






24. What neuroanatomical strutures are injured in wernicke - korsakoff






25. What drugs can cause folate def






26. What is the TX for pyruvate dehydrogenase deficiency






27. What causes Down syndrome






28. What is incomplete penetrence and give an example






29. What enzyme adds Cl - to the H202 to makes bleach






30. What is the TX for PKU






31. What happens in carnitine def






32. What two pathways is carbomoyl phosphate involved in - and what enzyme deficiency leads to a build of carbamoyl phosphate leading to what element in pyrimidine synthesis






33. What is the treatment for orotic aciduria






34. What tissues have both enzymes of sorbitol metabolism






35. What happens in the first stage of collagen synthesis - and Where does it happen






36. In which state is PFK-2 active






37. spheroid RBCs due to spectrin or ankyrin defect - hemolytic anemia - inc MHCH - splenectomy is curative






38. What does universal genetic code refer to and What are some exception






39. Of the four possible fates for pyruvate - which one can replenish TCA cycle or be used in gluconeogenesis






40. What enzyme converts phenylalanine to tyrosin






41. What does a kinase do






42. What polar group does guanine have - and what non polar group does thymine have






43. CF - is AR deletion In what gene On what chromosome resulting in a deletion inf what?






44. congenital microdeletion of short arm of chromosome 5 with microcephaly - moderate to severe mental retardation - high pitched crying/meying - epicanthal folds - cardiac abnl






45. What substance accumulates in galactokinase def and What is the clinical picture






46. What happens in hyperammonemia






47. What is the Name and fxn of vit B5






48. bilateral - massive enlargement of of kidneys due to multiple large cysts






49. How do cardia glycosides work






50. What is the amino acid precursor for porphyrin and heme