31.   Although diseased kidneys can be assisted by dialysis, no machine can perform the functions of the liver.

32.   Although computers remained on board, they performed only functions that did not diminish the need for driver skills.

33.   And a bill filed in the US Senate would prohibit accounting firms from performing both functions for a client.

34.   An alternate definition means using the identical piece of code to perform functions in two or more programs.

35.   An advisory committee to the Food and Drug Administration on Wednesday recommended approval of the first drug using a new technology that blocks genes from performing their functions.

36.   And cards that perform similar functions will be the key to accessing their accounts.

37.   And credit cards -- or cards that perform similar functions -- will be the key to accessing their accounts and will store the information needed to effect the transactions.

38.   And Farber performs the function of a trusted filter.

39.   As in a table setting for a dinner party, unexpected objects pressed into service to perform ordinary functions sometimes add zest to the array.

40.   At Polaroid, he learned about developing molecules to perform specific functions for photographic dyes, while at Millipore he saw how pharmaceutical firms had problems purifying biological molecules.