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






2. Glycosidic linkage of maltose






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






4. Glycosidic linkage of cellulose






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






6. Unique feature of glycine






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






8. Fxn of cholesterol in the membrane?






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






10. Enzyme that hydrolyzes maltose into 2 glucose molecules?






11. Characteristics of acidic amino acids






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






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






14. 2 covalent bonds formed in proteins






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






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






17. Energy storage molecule of carbohydrates for animals






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






19. Glycosidic linkage of sucrose






20. 2 things that accelerate the rate of hydrolysis for peptide cleavage?






21. 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






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






23. 3 physiological roles of lipids






24. Sulfur containing amino acids






25. Characteristics of hydrophobic amino acids






26. Polar amino acids






27. D and L describe what?






28. Molecules with the same atoms and same bonds - but different bond geometries; can either be enantiomers or diastereomers






29. Molecules with the same atoms - but different bonds






30. Histidine






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






32. Formula for urea






33. Glyceraldehyde






34. 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






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






36. Interconversion btw two anomers






37. Characteristics of polar amino acids






38. Naturally occurring carbohydrates are formed from what?






39. Characteristic of basic amino acids






40. Fatty acid structure






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






42. Hydrophilic amino acids






43. Physiological pH






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






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






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






47. Name for 5 membered ring






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






49. 3 carbon triol that forms backbone of triacylglycerol






50. Acidic amino acids