Which of the following are NOT appropriately matched 1 cytot

Which of the following are NOT appropriately matched?

1. cytotoxic T cells: destroy virally infected cells

2.B cells: produce free antibodies

3. helper T cells: destroy infected cells

Solution

1. Cytotoxic T cells express T cell receptors that can recognise a specific antigen. An antigen is a molecule capable of stimulating an immune response, and is often produced by cancer cells or viruses. So this statement is correctly matched.

2. All antibody molecules are made by an indiviual B cells have the same antigen binding sites. All the antibodies are produced by B cells. This statement is correct.

3. The Helper T cells activate B cells to secrete antibodies and macrophages o destroy ingested microbes, but thy also help activate cytotoxic T cells to kill infected target cells. So this is a mismatched statement.