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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 causes Marfan syndrome






2. What does apoA 1 do






3. What does apoB48 do






4. In which direction is protein synthesized






5. What does hartnups disease cause






6. What tissues have both enzymes of sorbitol metabolism






7. What 3 steps in RNA processing occur after transcription

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8. What is the physiologic role of dystrophin






9. Gene imprinting implies that How many alleles are active at a single locus






10. What is the RDE of the HMP shunt






11. What are the mRNA stop codons






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






13. What is the activated carrier for electrons






14. What is the hardy weinberg allele prevalence






15. What does DNA poly III do?

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16. What substances are uncouling agents






17. What metabolic rxns occur in the mitochondria






18. central and peripheral demyelination with ataxia and dementia






19. What does a carboxylase do






20. What happens in folate def






21. What does a western blot use for its sample






22. What are the priorities for the body in fasting and starvation






23. How many rings do pyrimidines have






24. How many rings do purines have






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






26. What does biotin def cause






27. How many ATP are created by aerobic metobolism of glucose in muslce via what shuttle






28. What enzyme degrades a small amount of glycogen in lysosomes






29. What enzyme esterifies 2/3 of plasma cholesterol






30. What are the two possible causes of albinism






31. What is the activated carrier for Co2






32. What is the results of vit B1 def






33. In which state is PFK-2 active






34. progressive neurodegeneration - developmental delay - cherry red spot on macula - lysosomes with onion skin - NO hepatosplenomegaly






35. Which are the acidic amino acids






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






37. What are the findings in orotic aciduria






38. What is Gowers maneuver






39. Where are FADH2 electrons transferred to...






40. In eukaryotes - What does RNA poly III make






41. How do aminoglycosides work






42. What happens in vit D excess






43. Accurate base pairing is required only in the first two nucleotide positions of an mRNA codon - so conds differeing in the 3rd position may code for the same tRNA/AA due to degenerate genetic code






44. What does a pyruvate dehydrogenase deficiency lead to and What are the findings






45. What substances induce phosphofructokinase






46. What are the results of CF on male fertility






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






48. In what cell is collagen synthesis initiated






49. How does cytosine become uracil






50. 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