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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. Enzyme that hydrolyzes lactose into galactose and glucose into






2. Unique feature of proline






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






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






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






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






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






8. Sugar with an aldehyde at the first carbon position






9. Basic amino acids






10. Enzymes that hydrolyze fats






11. Nonpolar - hydrophobic amino acids






12. Name for 5 membered ring






13. Glycosidic linkage of sucrose






14. Name for 6 membered ring






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






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






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






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






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






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






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






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






23. Unique feature of cysteine






24. 3 carbon triol that forms backbone of triacylglycerol






25. Hydrolysis






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






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






28. Characteristic of basic amino acids






29. Interconversion btw two anomers






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






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






32. Physiological pH






33. Naturally occurring carbohydrates are formed from what?






34. 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






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






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






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






38. Energy storage molecule of carbohydrates for plants






39. Molecules with the same atoms and same bonds - but different bond geometries; can either be enantiomers or diastereomers






40. 2 covalent bonds formed in proteins






41. Sulfur containing amino acids






42. Histidine






43. Acetic acid formula?






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






45. Glyceraldehyde






46. 2 reasons why fats have more efficient energy stores than carbs






47. Glycosidic linkage of cellulose






48. What stabilizes lipid bilayer?






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






50. Energy storage molecule of carbohydrates for animals