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Biochemistry

Instructions:
  • Answer 50 questions in 15 minutes.
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  • 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. Which carbon bears the triphosphate and the energy source for bond formation

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2. pyruvate carboxylase catalyzes what rxn






3. Type I bone






4. What is codominance and give an example






5. What do neurofilaments stain for






6. How do aminoglycosides work






7. What is the RDE of gluconeogenesis






8. This is the site where negative regulators bind






9. What metabolic rxns occur in the mitochondria






10. caf






11. What feedback inhibits hexokinase






12. What is locus heterogeneity and give an example






13. elevated LDL due to defective or absent LDL receptor - heterozygotes have cholesterol ~300 - homozygotes ~700






14. Where is pyruvate carboxylase found - What does it do - What does it require amd What activates it






15. What trinucleotide repeat in Huntingtons and what chromosome is it found on...






16. What is the treatment for dec affinity of cystathionine synthase for pyroxidal phosphate






17. What does a western blot use for its sample






18. Eukaryotic and prokaryotic DNA synthesis is blank and involves both blank and blank strands






19. What does commaless - nonoverlapping genetic code refer to...






20. What are the water soluble vitamins - which ones are stored






21. trinucleotide repeat fo myotonic dystrophy






22. How do permanent cells grow and regenerate and What are examples of permanent cells






23. How does warfarin work






24. What is the energy source for translocation






25. In which direction is protein synthesized






26. What two proteins make up microtubules and how are they arranged






27. What is the function of biotin






28. cytoskeletal elements in micorvilli - muscle contracting fibers - cytokenesis - adherens jxns






29. What does helicase do






30. What is used to diagnose muscular dystrophies






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






32. peripheral neuropathy - developmental delay - optic atrophy - glopoid cells






33. characterize mitochondrial inheritance






34. In addition to fructose and galactose - what sugards should be excluded from the diets of patients with disorders of fructose or galactose metabolism






35. What are cyclin - CDK complexes






36. In eukaryotes - What does RNA poly I make






37. What substances directly inhibit electron transport chain






38. What is the name is fxn of vit B3






39. phosphorylation of glucose to yield glucose 6 phosphate serves as the 1st step of what rxns and what enzymes catalyze it






40. What is proteasomal degredation






41. What is the TX for PKU






42. What defects characterize velocardiofacial syndrome






43. What is the initial transcript called and What is the capped and tailed transcript called






44. What 3 syndromes are associated with vit B1 def






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






46. What is the defectin IV - hypertriglyceridemia






47. What rxn creates ATP






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






49. What does a defective Cl channel do






50. What are the reactants for glycolysis