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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. How doe NADH electrons from glycolysis and the TCA cycle enter the mitochondiria






2. What substance inside the cell reduces glutatione






3. What causes Down syndrome






4. How do odd chain fatty acids participate in gluconeogenesis






5. What does beta oxidation do and Where does it occur






6. What is the energy source after day 3 of starvation






7. What does Ehlers Danlos cause and why






8. Give an example of a mitochondrial inherited disease






9. What is proteasomal degredation






10. What is the exception to genetic redundancy






11. What is axonemal dynein






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






13. 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






14. What is a silent mutation






15. What is the activated carrier for methyl groups






16. What happens in vit D def






17. What components come together to make S- adenosyl methionine






18. What does a decrease in decrease in NADPH lead to and why






19. What does DNA poly I do?






20. delivers hepatic TGs to peripheral tissue - secreted by liver






21. Who typically has lactase def






22. bilateral acoustic schwannomas - juvenile cataracts






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






24. What are the products for glycolysis






25. What is anticipation and give an example






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






27. Describe robertsonian translocation






28. What is imprinting and give an example


29. What are ketone bodies made from - where are they metabolized and how are they excreted






30. What clotting factors require vit K






31. What does the golgi apparatus do on asparagine






32. Which cells are rich in smooth ER






33. What does apoA 1 do






34. What is heteroplasmy






35. What happens in folate def






36. what happens in acyl coa dehyrdogenase def






37. What is the structure of elastin






38. In eukaryotes - What does RNA poly II make






39. congenital microdeletion of short arm of chromosome 5 with microcephaly - moderate to severe mental retardation - high pitched crying/meying - epicanthal folds - cardiac abnl






40. How do glucagon/epi lead to glycogenolysis






41. What makes up a nucleotide


42. What is the defect in II A familial hypercholesterolemia






43. What enzyme esterifies 2/3 of plasma cholesterol






44. What is the rate limiting enzyme in cholesterol synthesis






45. Which end of the tRNA is the amino acid bound to...


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






47. What is the most abundant protein in the body






48. What happens at the smooth ER






49. What activates the pyruvate dehydrogenase complex






50. What happens in a B12 def