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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 happens in vit B2 def






2. What is the activated carrier for Co2






3. An inability to convert orotic acid to UMP would be caused by a deficiency either of which two enzymes

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4. What are the blood glucose levels maintained by for days 1-3






5. What does a defective Cl channel do






6. Which are the acidic amino acids






7. What test is used for B12 def






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






9. What regulates whether FBPase -2 or PFK-2 is active






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






11. Infection with what organism can cause B12 def






12. Why is albinism inheritnace varialbe due to...






13. central and peripheral demyelination with ataxia and dementia






14. What is disulfiram used for






15. What is the purpose of the HMP shunt






16. How do stable (quiescent) cells grow and regenerate and What are examples






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






18. A small proportion of Down syndrome is due to What two genetic events






19. What enzyme catalyzes the rxn from pyrvuate to Acetyl - CoA and what inhibits it






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






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






22. What does pancreatic lipase do






23. What is the result of vit B5 def






24. What shuttle is involved in fatty acid synthesis and What does it move From where to where






25. What is NADPH's role inside RBCs






26. Where is vit A found in the diet






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






28. Which antifungal drugs work on microtubules






29. Which direction does dynein go






30. How does ethanol induce hypoglycemia






31. What substance inside the cell reduces glutatione






32. Very Poor Carbohydrate Metabolism stands for 4 of the glycogen storage diseases - What are thy

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33. What is the TX for PKU






34. What does a phosphorylase do






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






36. How do microtubules grow and collapse






37. What does the golgi apparatus do on asparagine






38. Where are cytosolic and organellar proteins made






39. What is the composition of urea and where do each part derive from






40. What apolipoprotiens are on VLDL






41. What does helicase do






42. Where are the secretory proteins made and N- linked oligosaccharide addtions put on proteins






43. What substances are uncouling agents






44. What happens in folate def






45. What makes up a nucleotide

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46. What is locus heterogeneity and give an example






47. What is the RDE of de novo pyrimidine synthesis






48. Of the four possible fates for pyruvate - which one carries amino groups to liver from muscle






49. Where is glucose 6 phosphatase found and What does it do






50. Which direction does kinesin go