Please sort each of the following descriptions of essential humoral and cellular

Question

Please sort each of the following descriptions of essential humoral and cellular immune factors to its corresponding item from A to E.

1. This molecule is made up of protein chains that form a complex with antigens. This complex serves to tag foreign cells and molecules for destruction by phagocytes and complement.

2. This cell is responsible for the enhanced secondary response to an antigen and is produced via clonal selection and differentiation of B cells

3. This cell is an effector cell that has the ability to recognize and kill target cells that are considered nonself cells

4. The helping function of this cell is activated by two signals; one signal occurs with the binding of the T cell receptor (TCR) to a processed antigen, and the second signal is a costimulatory cytokine.

5. This cell becomes activated when its immunoglobulins binds to its specific epitope, and in order to be activated, it may require assistance via helper cells.

A. T helper cell

B. Memory cell

C. B-cell

D. Antibodies

E. Cytotoxic T lymphocyte

Explanation / Answer

1--D

2--B

3-- E

4--A

5 -- C

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