Lehninger Principles of Biochemistry SIXTH EDITION David L.Nelson Michael M.Cox Professor of Biochemistry Professor of Biochemistry University of Wisconsin-Madison University of Wisconsin-Madisor W.H.FREEMAN AND COMPANY-New YorkFMTOC.indd Page i 11/10/12 9:54 AM user-F408 /Users/user-F408/Desktop Lehninger Principles of Biochemistry David L. Nelson Professor of Biochemistry University of Wisconsin–Madison Michael M. Cox Professor of Biochemistry University of Wisconsin–Madison SIXTH EDITION W. H. FREEMAN AND COMPANY • New York