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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. Where is vit A found in the diet






2. How does insulin inhibit glycogenolysis






3. characterize x linked dominant






4. What substance inside the cell serves to oxidize glutatione






5. What amino acid makes up most of the octamer






6. Describe the structure of cilia






7. What is the activated carrier for Acyl






8. What does Ehlers Danlos cause and why






9. What else can phosphoylate phosphorylase kinase






10. What substance in egg whites binds biotin






11. In which direction is protein synthesized






12. What does Citrate Is Krebs starting substrate for making oxaloacetate






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






14. How many rings do pyrimidines have






15. What causes biotin def






16. facial lesions - hypopigmented 'ash leaf spots -' cortical and retinal hamartomas - seizures - mental retardation - renal cysts - renal angiomyolipomas - cardiac rhabdomyomas - inc risk of astrocytomas






17. Type II cartilage






18. deletion of VHL gene on chromosome 3 leading to hemangioblastomas of retina/cerebellum/medulla bilateral RCC - dz and overexpression product






19. What does an umabiguous genetic code refer to...






20. bilateral acoustic schwannomas - juvenile cataracts






21. Where is acetaldehyde located






22. What are pyrimidines made from






23. What order kinetics does EtOH dehydrogenase have






24. What does a western blot use for its sample






25. What happens in vit B2 def






26. What is anticipation and give an example






27. What rxn creates ATP






28. What is uniparental disomy






29. Type IV collagen






30. What is the order of severity for the different types of mutations






31. What does DNA ligase do






32. Giving folate during early pregnancy is important to prevent what birth defects






33. What are the functinos of vitamin A






34. What kind of branches do glycogen branches have






35. What is chediak higashi






36. What is the main source of folate






37. Which are the basic amino acids






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






39. Which antifungal drugs work on microtubules






40. What enzyme becomes essential in PKU






41. What happens at the smooth ER






42. What do albinism - ARPKD - CF - glycogen storage diseases - hemochromatosis - mucopolysaccharidoses (except Hunters) PKU - sickle cell - sphingolipodoses (except Fabrys) thalassemias have in common






43. What is made fir rNucleotides or deoxyrNucleotides and what enzyme is necessary to convert one to the next






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






45. Which tumor suppresors inhibit G1 to S progression - where mutations result in unrestrained growth






46. What happens with dry beriberi






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






48. ADPKD is associated with What additional conditions






49. What is the breakdown product of dopamine






50. What is the hardy weinber heterozygote prevalence