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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. Fatty acid w/ no double bonds and maximum number of hydrogens






2. 2 covalent bonds formed in proteins






3. Unique feature of glycine






4. Hydrolysis






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






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






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






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






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






10. Characteristics of hydrophobic amino acids






11. Characteristics of polar amino acids






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






13. Enzyme that hydrolyzes lactose into galactose and glucose into






14. Basic amino acids






15. Fatty acid structure






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






17. Unique feature of proline






18. Sugar with an aldehyde at the first carbon position






19. Enzymes that hydrolyze fats






20. 1. it requires an enzyme to linearize and mutarotate 2. it is not a reducing sugar and give negative Benedict's test






21. PH at which positive and negative charges balance to form a zwitterion






22. Histidine






23. Acidic amino acids






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






25. PH at which the amino acid has a net neutral charge






26. 3 physiological roles of lipids






27. Glycosidic linkage of sucrose






28. 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






29. Characteristic of basic amino acids






30. 3 carbon triol that forms backbone of triacylglycerol






31. Acetic acid formula?






32. What stabilizes lipid bilayer?






33. Name for 6 membered ring






34. Diastereomers that vary in the configuration of 1 chiral center






35. Formula for urea






36. Polar amino acids






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






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






39. Sulfur containing amino acids






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






41. Fxn of cholesterol in the membrane?






42. Glycosidic linkage of maltose






43. 2 reasons why fats have more efficient energy stores than carbs






44. Energy storage molecule of carbohydrates for animals






45. Interconversion btw two anomers






46. Macromolecule that performs a variety of bodily functions and is composed of up to 20 different amino acids






47. Physiological pH






48. Glycosidic linkage of cellulose






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






50. 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)