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MCAT Organic Chemistry 2

Subjects : mcat, science
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. Characteristics of acidic amino acids






2. (R) and (S) describe what?






3. Epimers of sugars that vary in the configuration of their anomeric carbons






4. What describes the affinity of functional groups for a proton?






5. Property of fatty acids where one end is hydrophobic and the other is hydrophilic






6. Unique feature of proline






7. Energy storage molecule of carbohydrates for plants






8. Fatty acid w/ one or more double bonds in cis form predominately






9. Rule for all amino acids that are nonbasic and nonacidic pertaining to pI value?






10. Acidic amino acids






11. Storage form of fatty acid that is composed of 3 esterified fatty acid to a glycerol molecule






12. Name for 5 membered ring






13. D and L describe what?






14. Generated btw either thiols on different proteins or thiols on the same protein






15. Hydrophilic amino acids






16. Interconversion btw two anomers






17. Hydrophobic and hydrophilic interactions btw amino acids more distant from each other on the polypeptide chain






18. Acetic acid formula?






19. Glycosidic linkage of lactose






20. What configuration do all naturally occuring amino acids have?






21. Initial folding of proteins into shapes stabilized by H bonds btw amino and carboxyl groups of backbone






22. Unique feature of cysteine






23. Amino group placed on the left of a fischer projection is a?






24. (+) and (-) describe what?






25. Physiological pH






26. Interaction btw polypeptide subunits arranged in polypeptide. can be covalent bonds or intermolecular forces - disulfide bond that does not form btw residues on the same protein affect (blank)






27. Sugar with an aldehyde at the first carbon position






28. 3 carbon triol that forms backbone of triacylglycerol






29. 3 physiological roles of lipids






30. 2 reasons why fats have more efficient energy stores than carbs






31. Characteristics of polar amino acids






32. 4 causes of denaturation of proteins






33. Formula for urea






34. Glycosidic linkage of cellulose






35. Carbon that in linear form has a carbonyl - or in cyclic form has a hemiacetal or an acetal






36. Enzyme that hydrolyzes maltose into 2 glucose molecules?






37. 1.has partial double bond character due to resonance 2. it cannot rotate 3. amide H is someWhat acidic and can H bond






38. Glycosidic linkage of sucrose






39. Separation is due to charge - with negative charge moving toward positive electrode and positive charge moving toward negative electrode






40. Sulfur containing amino acids






41. Unique feature of glycine






42. Adjacent polypeptide strands running in the same direction in Beta pleated sheet structure






43. Nonpolar - hydrophobic amino acids






44. Adjacent polypeptide strands running in opposite directions in Beta pleated sheet structure






45. Characteristics of hydrophobic amino acids






46. Amino group placed on the right of a fischer projection is a?






47. Hydrolysis






48. Name for 6 membered ring






49. 2 covalent bonds formed in proteins






50. 1. it exists in solution in equilibrium with linear form 2. mutarotation occurs readily 3. it is a reducing sugar - and reacts positively w/ Benedict's reagent