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






2. What stabilizes lipid bilayer?






3. D and L describe what?






4. Glyceraldehyde






5. Polar amino acids






6. 3 carbon triol that forms backbone of triacylglycerol






7. Physiological pH






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






9. Characteristic of basic amino acids






10. 4 causes of denaturation of proteins






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






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






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






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






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






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






17. Naturally occurring carbohydrates are formed from what?






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






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






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






21. 2 things that accelerate the rate of hydrolysis for peptide cleavage?






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






23. Enzyme that hydrolyzes lactose into galactose and glucose into






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






25. Histidine






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






27. Interconversion btw two anomers






28. Characteristics of polar amino acids






29. Unique feature of glycine






30. Interaction btw polypeptide subunits arranged in polypeptide. can be covalent bonds or intermolecular forces - disulfide bond that does not form btw residues on the same protein affect (blank)






31. Hydrophilic amino acids






32. Characteristics of acidic amino acids






33. 2 covalent bonds formed in proteins






34. Unique feature of cysteine






35. Energy storage molecule of carbohydrates for plants






36. Glycosidic linkage of sucrose






37. 3 physiological roles of lipids






38. Enzymes that hydrolyze fats






39. What kind of lipids compromise the lipid bilayer?






40. Basic amino acids






41. Sulfur containing amino acids






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






43. Fatty acid structure






44. Acidic amino acids






45. Formula for urea






46. Sugar with an aldehyde at the first carbon position






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






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






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






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







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