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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. Glycosidic linkage of cellulose






2. Unique feature of cysteine






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






4. Name for 5 membered ring






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






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






7. Hydrophilic amino acids






8. Name for 6 membered ring






9. Physiological pH






10. Histidine






11. D and L describe what?






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






13. Sulfur containing amino acids






14. Energy storage molecule of carbohydrates for animals






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






16. Energy storage molecule of carbohydrates for plants






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






18. 4 causes of denaturation of proteins






19. Sugar with an aldehyde at the first carbon position






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






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






22. 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






23. Interconversion btw two anomers






24. 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






25. Unique feature of proline






26. Fxn of cholesterol in the membrane?






27. 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






28. Nonpolar - hydrophobic amino acids






29. Polar amino acids






30. Characteristic of basic amino acids






31. 3 physiological roles of lipids






32. Hydrolysis






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






34. 2 covalent bonds formed in proteins






35. Enzyme that hydrolyzes lactose into galactose and glucose into






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






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






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






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






40. Glycosidic linkage of maltose






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






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






43. Acidic amino acids






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






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






46. Glycosidic linkage of lactose






47. Enzyme that hydrolyzes maltose into 2 glucose molecules?






48. Molecules with the same atoms - but different bonds






49. Naturally occurring carbohydrates are formed from what?






50. Characteristics of hydrophobic amino acids







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