31.   The antibodies are not dangerous in themselves, but they gave the health ministry a scare.

32.   The biggest problem, however, was that the antibodies were mouse proteins, which the human immune system attacked as invaders.

33.   The antibodies are not protective, and most people have them.

34.   The first sample of blood gives doctors a baseline look at whether antibodies are in the blood fighting anthrax and how many.

35.   Antibodies are proteins the body produces to destroy foreign substances.

36.   Attached to the cage and atom is an antibody, a protein that will lock onto a corresponding protein on the surface of a cell.

37.   But as scientists piece together the AIDS puzzle, there is a mounting consensus that antibodies are not sufficient to stop the virus.

38.   If the Yanomami were not genetically different, their antibodies would be indistinguishable.

39.   In addition, the antibodies are stable and resistant to heat, which means they could be stored and transported easily.