Test your basic knowledge |

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. Energy storage molecule of carbohydrates for plants






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






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






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






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






6. 2 reasons why fats have more efficient energy stores than carbs






7. 3 carbon triol that forms backbone of triacylglycerol






8. Physiological pH






9. Glycosidic linkage of lactose






10. Enzyme that hydrolyzes lactose into galactose and glucose into






11. Fxn of cholesterol in the membrane?






12. Unique feature of cysteine






13. Energy storage molecule of carbohydrates for animals






14. Glyceraldehyde






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






16. Characteristics of acidic amino acids






17. Interconversion btw two anomers






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






19. Naturally occurring carbohydrates are formed from what?






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






21. Acetic acid formula?






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






23. 2 things that accelerate the rate of hydrolysis for peptide cleavage?






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






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






26. 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)






27. Glycosidic linkage of sucrose






28. Sugar with an aldehyde at the first carbon position






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






30. Characteristic of basic amino acids






31. 2 covalent bonds formed in proteins






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






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






34. Glycosidic linkage of maltose






35. 4 causes of denaturation of proteins






36. (+) and (-) describe what?






37. D and L describe what?






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






39. Formula for urea






40. Hydrophilic amino acids






41. Name for 6 membered ring






42. 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






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






44. Characteristics of polar amino acids






45. Enzyme that hydrolyzes maltose into 2 glucose molecules?






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






47. Unique feature of proline






48. What stabilizes lipid bilayer?






49. Hydrolysis






50. 3 physiological roles of lipids