Immunological memory can be formed by exposure to an antigen which is remembered by specific leukocytes and circulating antibodies. immunological memory can be formed by exposure to an antigen which is remembered by specific leukocytes and circulating antibodies. a. true b. false

The statement above is TRUE.
Immunological memory is a characteristic of the immune system, which give it the capacity to remember antigens on pathogens, tumor cells, etc, and thus is able to raise greater immunological response against them. Immunological memory is formed by earlier exposure to an antigen. This antigen will be remembered by certain leukocytes and antibodies in the immune system if the body is exposed to it again.

The first means of speeding up reactions mentioned by the speaker is raising the enzymes