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. What does SAM do






2. What is locus heterogeneity and give an example






3. What are the findings with homocystinuria and What amino acid is needs to be supplemented






4. What is the TX for PKU






5. Fluorescent DNA or RNA probe binds to specific gene of interest - used for specific localization of genes and direct visualization of anomalies - like microdeletions - at molecular level






6. What does NADPH oxidase deficiency result in and why






7. What do neurofilaments stain for






8. Delivers dietary TGs to peripheral tissues - delivers cholesterol to liver in the form of remnants - mostly depleted of TGs - secreted by intestinal epith cells






9. What are the products for glycolysis






10. What are the functinos of vitamin A






11. In eukaryotes - What does RNA poly II make






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






13. peripheral neuropathy of hands/feet - angiokeratomas - CV/renal disease - dz - def enzyme - acc substrate - inherit






14. RNA poly can't proofread - but What can it do






15. pyruvate carboxylase catalyzes what rxn






16. Where is fructose 1 -6 bisphosphatase found and What does it do






17. In which structures do you find microtubules






18. NADPH are used In what 4 things






19. What are covalent alterations






20. What is a missense mutation






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






22. Why can't muscle produce in gluconeogenesis






23. How is ammonium transported from muscle to the liver for urea cycle






24. What causes patau's syndrome and What is it






25. What is the Hardy Weinberg disease prevalence equation






26. What inhibits the carnitine shuttle






27. What are bite cells and when do you see them






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






29. Where is glucokinase found - What are the Km and Vmax - and what induces it






30. What is the prevalence of an X- linked recessive disease in males and in females






31. The golgi apparatus fxns as a distribution center between what organelles in the cell and What does it process






32. What are the symptoms of vit A excess






33. Which are the acidic amino acids






34. What is variable expression and What is an example






35. What does glycosylation of pro alpha chian yield and What is the structure






36. What converts tyrosine to DOPA






37. What do the single stranded binding proteins do






38. Which enzyme involved in RNA synthesis does not require a template






39. Type II collagen






40. Outside the fibroblast What part of procollagen is cleaved and What is it transformed into






41. How do tetracyclines work






42. What is the energy source for tRNA actication (charging)






43. What does vit B3 def result in






44. Describe the location and fxn of the Na/K ATPase






45. Infection with what organism can cause B12 def






46. What do def in in enzymes of gluconeogenesis cause






47. Eukaryotic and prokaryotic DNA synthesis is blank and involves both blank and blank strands






48. What rxn creates ATP






49. Wgat substances directly inhibit mitochondrial ATPase - causing an inc in proton gradient - no ATP because pump is stopped






50. What is the Name and function of vit B1