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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 hydrophobic amino acids






2. Fatty acid structure






3. Basic amino acids






4. Covalent bond formed btw carboxyl group of one atom and the amino group of another amino acid in an addition - elimination mechanism - enzymes are required to carry out rxn






5. Unique feature of glycine






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






7. Formula for urea






8. 4 causes of denaturation of proteins






9. Name for 5 membered ring






10. The amino acid sequence of a protein that is determined by peptide bond






11. 3 carbon triol that forms backbone of triacylglycerol






12. Enzyme that hydrolyzes maltose into 2 glucose molecules?






13. Fxn of cholesterol in the membrane?






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






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






16. 2 covalent bonds formed in proteins






17. Unique feature of cysteine






18. Enzymes that hydrolyze fats






19. Hydrolysis






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






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






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






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






24. Characteristic of basic amino acids






25. What stabilizes lipid bilayer?






26. Histidine






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






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






29. Unique feature of proline






30. Molecules with the same atoms - but different bonds






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






32. Characteristics of polar amino acids






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






34. Acetic acid formula?






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






36. Energy storage molecule of carbohydrates for plants






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






38. 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)






39. Enzyme that hydrolyzes lactose into galactose and glucose into






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






41. Physiological pH






42. Sugar with an aldehyde at the first carbon position






43. Sugar with a carbonyl group at the 2 carbon position






44. D and L describe what?






45. Glycosidic linkage of sucrose






46. Energy storage molecule of carbohydrates for animals






47. Characteristics of acidic amino acids






48. Polar amino acids






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






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