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






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






3. Energy storage molecule of carbohydrates for plants






4. Unique feature of cysteine






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






6. Name for 6 membered ring






7. Unique feature of proline






8. What kind of lipids compromise the lipid bilayer?






9. Fatty acid structure






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






11. 3 physiological roles of lipids






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






13. Characteristic of basic amino acids






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






15. 3 carbon triol that forms backbone of triacylglycerol






16. 2 reasons why fats have more efficient energy stores than carbs






17. Glycosidic linkage of cellulose






18. Unique feature of glycine






19. Physiological pH






20. Enzyme that hydrolyzes lactose into galactose and glucose into






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






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






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






24. Characteristics of hydrophobic amino acids






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






26. Molecules with the same atoms - but different bonds






27. Enzyme that hydrolyzes maltose into 2 glucose molecules?






28. Enzymes that hydrolyze fats






29. Energy storage molecule of carbohydrates for animals






30. Glyceraldehyde






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






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






33. Sulfur containing amino acids






34. What stabilizes lipid bilayer?






35. Histidine






36. Naturally occurring carbohydrates are formed from what?






37. Hydrolysis






38. D and L describe what?






39. Glycosidic linkage of lactose






40. Interconversion btw two anomers






41. 4 causes of denaturation of proteins






42. Glycosidic linkage of maltose






43. Hydrophilic amino acids






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






45. Nonpolar - hydrophobic amino acids






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






47. Polar amino acids






48. Glycosidic linkage of sucrose






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






50. Sugar with an aldehyde at the first carbon position