The Surface Receptors on B and T Cells Both

question 52

Multiple Choice

The surface receptors on B and T cells both

• A)play the same role in each type of cell.
• B)bind to free antigen.
• C)have two binding sites for antigen.
• D)have variable and constant regions.
• E)play the same role in each type of cell AND have two binding sites for antigen.

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Definitions:

Melanoma

A serious and aggressive form of skin cancer originating from melanocytes, the cells that produce pigment.

Evenly Colored

Having uniform coloration without variation or shading across a surface.

Ordinary Mole

A common, small, pigmented skin lesion, benign in nature, but monitored for changes that could indicate malignancy.