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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. What are the characteristics of prader willi syndrome How does it occur






2. What substance inside the cells replenishes NADPH






3. What is the activated carrier for phosphoryl






4. Describe the pathophys of the aorta in a pt with marfans - and the eyes






5. What other inflammatory process can induce a hemolytic anemia in NADPH defieicnt patients






6. What does the passage of electrons result in that when coupled to OXPHOS drives the production of ATP






7. How is ATP used by the cell






8. How many ATP are produced by anearobic glycolysis per molecule of glucose






9. What does the golgi do to sugars in proteoglycans and of selected tyrosine on proteins






10. in a 100 meter sprint Where does energy come from






11. How many ATP are created by aerobic metobolism of glucose in muslce via what shuttle






12. What is NADPH used for






13. What is the activated carrier for methyl groups






14. What does helicase do






15. Where is vit B12 found






16. How many ATP are created by aerobic metabolism of glucose in the heart and liver via what shuttle






17. antbiotic controlled promoter to induciblly manipulate genes at specific developmental points






18. What inhibits pyruvate kinase






19. Type I bone






20. What residues are hydroxylated in step 2 of collagen synthesis - and What does this require






21. What enzyme converts glucose 1 p to UDP glucose






22. Which type of chromatin is condensed - transcriptionally inactive - sterically inaccessible?






23. What is the hardy weinber heterozygote prevalence






24. What sugar is sorbitol converted to and via what enzyme - and What can happen in cells lacking this enzyme






25. What are the findings in PKU






26. What bone disorder has x linked dominant inheritance






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






28. In which direction is protein synthesized






29. How do tetracyclines work






30. What are the names and sources of the two types of vit D found in nature






31. What do the single stranded binding proteins do






32. Mediates reverse cholesterol transport from periphery to liver - acts as respository for apoC an apoE - secreted from both liver and small intestine






33. What are the 2 distinct phases of the HMP shunt and How many ATP are used and produced






34. What lab value can distinguish orotic aciduria from ornithine transcarbamoylase def?






35. Where is EtOH dehydrogenase located






36. What happens with dry beriberi






37. What does lipoprotein lipase do






38. What is the Name and fxn of vit B12






39. what disease can cause pellagra






40. What are pyrimidines made from






41. Of the four possible fates for pyruvate - which ends anaerobic glycolysis as in RBCs - leukocytes - kidney medulla - lens - testes and cornea






42. cytoskeletal elements in micorvilli - muscle contracting fibers - cytokenesis - adherens jxns






43. What happens in vit D excess






44. What does the TCA cycle produce per 1 acetyl CoA






45. What is the activated carrier for 1 carbon units






46. Of the four possible fates for pyruvate - which one is a transition from glycolysis to TCA cycle






47. How does warfarin work






48. In addition to fructose and galactose - what sugards should be excluded from the diets of patients with disorders of fructose or galactose metabolism






49. 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






50. Where is hexokinase found - What is its Km and Vmax and what uninduces it