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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 elongation of protein synthesis

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2. Mild Hurlurs + aggressive behavior no corneal clouding






3. What is the prevalence of an X- linked recessive disease in males and in females






4. protein malnutrition resulting in skin lesions - edema and liver malfxn






5. What rxn does propionyl - CoA carboxylase catalyze






6. For eukaryotes - Where does replication begin?






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






8. What does NADPH oxidase deficiency result in and why






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






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

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






12. What initiates protein synthesis






13. Where is hexokinase found - What is its Km and Vmax and what uninduces it






14. What metabolic rxns occur in both the cytoplasm and mitochondria






15. What causes maple syrup urine disease and What does it lead to...






16. What is the RER called in neurons and What is made there






17. What does primase do






18. What is a silent mutation






19. What is trimming






20. What does vit E def cause






21. What does vit C def cause






22. Where is PEP carboxykinase found - What does it do - and What does it require






23. What are the findings in Lesch - Nyhan






24. How many ATP are produced by anearobic glycolysis per molecule of glucose






25. What are the only purely ketogenic amino acids






26. What produces NADPH






27. What is the amino acid precuros for niacin and serotonin/melatonin






28. What is the target of the 3' hydroxyl attack






29. What two amino acids are required druing periods of growth and why






30. In a marathon Where does energy come from






31. What does the start codon code for in eukaryotes and prokaryotes






32. What does PURe As Gold and CUT The Py stand for






33. What is linkage disequilibrium






34. Type I collagen






35. What 3 syndromes are associated with vit B1 def






36. inc glycogen in muscle but can't break it down - painful muscle cramps - myglobinuria with strenuous exercise - dz and enzyme

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37. What is the activated carrier for electrons






38. How is orotic aciduria inherited






39. What substance accumulates in galactokinase def and What is the clinical picture






40. What are the glucogenic/ketogenic amino acids






41. characterize autosomal recessive inheritance






42. What makes up a nucleotide

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43. bilateral - massive enlargement of of kidneys due to multiple large cysts






44. What are cyclin - CDK complexes






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






46. What enzyme becomes essential in PKU






47. In which state is PFK-2 active






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






49. What are the symptoms of vit A def






50. Acetyl - CoA carboxylase catalyzes what rxn