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






2. Hydrophilic amino acids






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






4. Characteristics of polar amino acids






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






6. What kind of lipids compromise the lipid bilayer?






7. Fxn of cholesterol in the membrane?






8. Sugar with an aldehyde at the first carbon position






9. Molecule can act as a base and as an acid






10. Glycosidic linkage of lactose






11. Polar amino acids






12. 4 causes of denaturation of proteins






13. Enzymes that hydrolyze fats






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






15. Acetic acid formula?






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






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






18. Interconversion btw two anomers






19. Formula for urea






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






21. Fatty acid structure






22. Unique feature of proline






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






24. Glycosidic linkage of sucrose






25. Name for 5 membered ring






26. 2 things that accelerate the rate of hydrolysis for peptide cleavage?






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






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






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






30. Naturally occurring carbohydrates are formed from what?






31. 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






32. Physiological pH






33. D and L describe what?






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






35. Hydrolysis






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






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






38. Characteristics of acidic amino acids






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






40. Unique feature of cysteine






41. Energy storage molecule of carbohydrates for plants






42. Acidic amino acids






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






44. Enzyme that hydrolyzes lactose into galactose and glucose into






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






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






47. Glycosidic linkage of cellulose






48. Characteristics of hydrophobic amino acids






49. Glyceraldehyde






50. Histidine