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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. 3 carbon triol that forms backbone of triacylglycerol






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






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






4. Hydrolysis






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






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






7. Fxn of cholesterol in the membrane?






8. Naturally occurring carbohydrates are formed from what?






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






10. 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






11. What stabilizes lipid bilayer?






12. Hydrophilic amino acids






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






14. Glycosidic linkage of lactose






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






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






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






18. Acetic acid formula?






19. Basic amino acids






20. Fatty acid structure






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






22. Name for 6 membered ring






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






24. D and L describe what?






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






26. Polar amino acids






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






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






29. Characteristics of polar amino acids






30. Glycosidic linkage of cellulose






31. Glycosidic linkage of maltose






32. Right handed helix w/ carboxyl of one amino acid bound to the amine of another amino acid three residues away - proline never resides in this structure b/c it would place a kink in the helix






33. Physiological pH






34. Energy storage molecule of carbohydrates for plants






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






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






37. Characteristic of basic amino acids






38. 2 covalent bonds formed in proteins






39. Characteristics of acidic amino acids






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






41. 2 reasons why fats have more efficient energy stores than carbs






42. Sugar with an aldehyde at the first carbon position






43. Nonpolar - hydrophobic amino acids






44. 4 causes of denaturation of proteins






45. Glyceraldehyde






46. Name for 5 membered ring






47. Unique feature of cysteine






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






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






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