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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. What kind of lipids compromise the lipid bilayer?






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






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






4. Enzymes that hydrolyze fats






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






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






7. 2 covalent bonds formed in proteins






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






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






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






11. Enzyme that hydrolyzes maltose into 2 glucose molecules?






12. Acidic amino acids






13. Glyceraldehyde






14. Sulfur containing amino acids






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






16. Sugar with an aldehyde at the first carbon position






17. Acetic acid formula?






18. Glycosidic linkage of sucrose






19. Characteristics of hydrophobic amino acids






20. Physiological pH






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






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






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






24. Interconversion btw two anomers






25. Formula for urea






26. 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






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






28. Enzyme that hydrolyzes lactose into galactose and glucose into






29. Polar amino acids






30. Fatty acid structure






31. Unique feature of glycine






32. Unique feature of proline






33. Characteristics of acidic amino acids






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






35. Characteristics of polar amino acids






36. Glycosidic linkage of maltose






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






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






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






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






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






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






43. Unique feature of cysteine






44. Characteristic of basic amino acids






45. Naturally occurring carbohydrates are formed from what?






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






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






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






49. 3 physiological roles of lipids






50. Energy storage molecule of carbohydrates for plants