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Biochemistry

Instructions:
  • Answer 50 questions in 15 minutes.
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  • Match each statement with the correct term.
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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 else can phosphoylate phosphorylase kinase






2. What is the activated carrier for aldehyddes






3. Where are cytosolic and organellar proteins made






4. What is the source of energy in the fasting state between meals






5. What does the CFTR channel do in the lungs - GI tract and skin






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






7. What does primase do






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 is the RDE of glycogen synthesis






10. What happens on the oxidative arm of the HMP shunt and What is the key enzyme






11. What happens in vit K def






12. What is the amino acid precuror for creatine - urea and nitric oxide






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






14. What are the complications/signs of familial hypercholesterolemia






15. Broadly - What can cause fat - soluble vitamin deficiencies






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






17. what happens in acyl coa dehyrdogenase def






18. What is a nonsense mutation






19. How do macrolides and clindamycin work






20. Which step in the de novo purine and pyrimidine synthesis pathway requires aspartate - glycine - glutamine and THF






21. What test is used for B12 def






22. What happens in vit D def






23. nucleotide repeat for fragile x






24. What enzymes metabolize fatty acids and amino acids






25. What are the purely ketogenic amino acids






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






27. cardiomegaly - systemic findings leading to early death - dz and enzyme

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28. What does arsenic do and What are th results of poisoning






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






30. What 3 amino acids are necessary for purine synthesis






31. Pts with albinism are at inc risk For what cancer






32. The pyruvate dehydrogenase complex serves In what reaction: products






33. What is regeneration of methionine depedent on...






34. What does vit B3 def result in






35. What substance inside the cells replenishes NADPH






36. What does hormone sensitive lipase do






37. What do the single stranded binding proteins do






38. How do odd chain fatty acids participate in gluconeogenesis






39. congenital microdeletion of long arm of chromosoe 7 with findings of elfin facies - mental retardation - hypercalcemia - well developed verbal skills - extreme friendliness with strangers - cardiovascular problems






40. What is the activated carrier for Acyl






41. 90% of ADPKD cases are due to a mutation In what gene






42. What does SAM do






43. What causes biotin def






44. Give an example of a mitochondrial inherited disease






45. What defects characterize DiGeorge syndrome






46. Is there any requirement for homology in NHEJ






47. What do neurofilaments stain for






48. What is mosaicism and give an example






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






50. What catacholamine step is SAM required for






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