AQA AS LEVEL BIOLOGY LATEST ACTUAL EXAMA

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The infected person will show symptoms of the disease while the body produces

enough of the right antibody to overcome the infection.

T-cells and B-cells produce memory cells. Memory T-cells remember the

specific antigen and will recognise it second time round. Memory B-cells record

the specific antibodies needed to bind the antigen.

The body is now immune.

Explain what is meant by the secondary response. - ANSWER-If...