12.5- Stages of the Cellular Response

Question 1

1

Answer 1

Macrophages engulf pathogens and display their antigens on the cell-surface. They are now known as antigen-presenting cells`

Question 2

2

Answer 2

T helper cells with complementary receptors bind to these antigens

Question 3

3

Answer 3

On binding, the T helper cell is activated to divide by mitosis to form genetically identical clones