Antibodies work by attaching to making them useless.
a. allergensc. virusesb. antigensd. protists

Antibodies attach themselves to foreign antigens (ie. toxins and bacteria).

This  focuses on  the entrepreneurial leadership of these  growth  firms.   governmentministers can play a critical  role  in  fostering  enterprise and innovation. their  role  is to direct thegovernment  departments and agencies to  focus  on the problem and develop effective policies.