Answer the following question given this paragraph: Figure 42.13 B cell receptors are embedded in the membranes of B cells and bind a variety of antigens through their variable regions. The signal transduction region transfers the signal into the cell. Q: What are embedded in the membranes of b cells and bind a variety of antigens through their variable regions? Choices: - b.a.p cell receptors - a.m. cell receptors - er cell receptors - b cell receptors A:
A:
b cell receptors