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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. What do DNA topoisomerases do






2. Outside the fibroblast What part of procollagen is cleaved and What is it transformed into






3. What are the complications/signs of familial hypercholesterolemia






4. What does apoCII do






5. How do glucagon/epi lead to glycogenolysis






6. Which kind of osteogenesis imperfecta is fata in utero or in neonatal period






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






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






9. Type IV BM






10. What is the most abundant type of RNA






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






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






13. what gene is implicated in fragile X syndrome - and What is the mutation






14. What is the pathway in the fed state leading to dec FBPase -2 and inc PFK-2






15. What are the characteristics of angelmans syndrome and How does it occur






16. What occurs to oxaloacetate in starvation and DKA






17. What is the breakdown product of dopamine






18. 1 g of protein or cabrohydrate = ?kcal






19. What do neurofilaments stain for






20. What is the hardy weinberg allele prevalence






21. Severe fasting hypoglycemia - inc glycogen storage in liver - inc blood lactate - hepatomegaly - dz and def enzyme






22. What is the TX for pyruvate dehydrogenase deficiency






23. metaphse chromosomes are stained - ordered and numbered according to morphology - size - arm length ratio - banding pattern






24. What ribosomes do prokaryotes have






25. What are the symptoms of vit A excess






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






27. What is dominant negative mutation and give an example






28. Describe the structure of cilia






29. What are the clinical features of I cell diesase






30. What apolipoprotein is on LDL






31. In eukaryotes - What does RNA poly I make






32. What does lactase deficiency cause






33. What is the rate determining enzyme (RDE) of glycolysis






34. What enzyme esterifies 2/3 of plasma cholesterol






35. For eukaryotes - Where does replication begin?






36. Which type of chromatin is condensed - transcriptionally inactive - sterically inaccessible?






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






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






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






40. What amino acid makes up most of the octamer






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






42. What does inc phenylalanine lead to...






43. What happens do glycogen in skeletal muscle during exercise






44. What converts DOPA to dopamine






45. What is RNAi used for






46. Which anticancer drugs work on microtubules






47. What is the composition of urea and where do each part derive from






48. What enzyme results in classic galactosemia and What is the clinical






49. Which are the basic amino acids






50. What is the Name and fxn of vit B5