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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. Name for 6 membered ring






2. Unique feature of glycine






3. Glyceraldehyde






4. Fatty acid structure






5. Interconversion btw two anomers






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






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






8. Energy storage molecule of carbohydrates for plants






9. Basic amino acids






10. Nonpolar - hydrophobic amino acids






11. 3 carbon triol that forms backbone of triacylglycerol






12. Energy storage molecule of carbohydrates for animals






13. Physiological pH






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






15. Unique feature of proline






16. 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)






17. Enzyme that hydrolyzes maltose into 2 glucose molecules?






18. Glycosidic linkage of cellulose






19. 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






20. Sulfur containing amino acids






21. Polar amino acids






22. D and L describe what?






23. Fxn of cholesterol in the membrane?






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






25. What kind of lipids compromise the lipid bilayer?






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






27. Naturally occurring carbohydrates are formed from what?






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






29. 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






30. Enzymes that hydrolyze fats






31. 4 causes of denaturation of proteins






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






33. 2 covalent bonds formed in proteins






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






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






36. 3 physiological roles of lipids






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






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






39. Characteristics of polar amino acids






40. Characteristics of acidic amino acids






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






42. Characteristics of hydrophobic amino acids






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






44. What stabilizes lipid bilayer?






45. Hydrolysis






46. Acetic acid formula?






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






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






49. Characteristic of basic amino acids






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






Can you answer 50 questions in 15 minutes?



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