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






2. Energy storage molecule of carbohydrates for plants






3. Basic amino acids






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






5. Structure where H bonds occur btw residues distant from each other - or on a separate chain. backbone is extended rather than coiled






6. Glyceraldehyde






7. Polar amino acids






8. Unique feature of cysteine






9. Sulfur containing amino acids






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






11. Enzyme that hydrolyzes lactose into galactose and glucose into






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






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






14. Unique feature of proline






15. What stabilizes lipid bilayer?






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






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






18. Fxn of cholesterol in the membrane?






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






20. Interconversion btw two anomers






21. 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






22. Glycosidic linkage of maltose






23. Hydrolysis






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






25. 2 covalent bonds formed in proteins






26. Nonpolar - hydrophobic amino acids






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






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






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






30. Sugar with an aldehyde at the first carbon position






31. Acidic amino acids






32. Glycosidic linkage of lactose






33. Hydrophilic amino acids






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






35. 4 causes of denaturation of proteins






36. 2 things that accelerate the rate of hydrolysis for peptide cleavage?






37. Characteristics of polar amino acids






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






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






40. Energy storage molecule of carbohydrates for animals






41. Glycosidic linkage of cellulose






42. Naturally occurring carbohydrates are formed from what?






43. 3 carbon triol that forms backbone of triacylglycerol






44. Name for 5 membered ring






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






46. Glycosidic linkage of sucrose






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






48. Characteristic of basic amino acids






49. D and L describe what?






50. Enzyme that hydrolyzes maltose into 2 glucose molecules?