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






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






3. Characteristic of basic amino acids






4. 2 reasons why fats have more efficient energy stores than carbs






5. Unique feature of proline






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






7. Interconversion btw two anomers






8. Polar amino acids






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






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






11. Glycosidic linkage of maltose






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






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






14. Sugar with an aldehyde at the first carbon position






15. Glycosidic linkage of sucrose






16. What stabilizes lipid bilayer?






17. 2 things that accelerate the rate of hydrolysis for peptide cleavage?






18. Physiological pH






19. Histidine






20. Fxn of cholesterol in the membrane?






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






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






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






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






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






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






27. Sulfur containing amino acids






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






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






30. Enzymes that hydrolyze fats






31. Enzyme that hydrolyzes lactose into galactose and glucose into






32. Characteristics of acidic amino acids






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






34. Enzyme that hydrolyzes maltose into 2 glucose molecules?






35. Acidic amino acids






36. 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






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






38. Energy storage molecule of carbohydrates for animals






39. Naturally occurring carbohydrates are formed from what?






40. Name for 6 membered ring






41. Unique feature of glycine






42. Glycosidic linkage of lactose






43. Fatty acid structure






44. Energy storage molecule of carbohydrates for plants






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






46. 3 carbon triol that forms backbone of triacylglycerol






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






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






49. Unique feature of cysteine






50. Hydrophilic amino acids