livv231 livv231

25-11-2022
Biology

Answered

Vertebrate immune responses involve communication over short and long distances. Which of the following statements best helps explain how cell surface proteins, such as MHC proteins and T cell receptors, mediate cell communication over short distances? The proteins receive electrical signals from nerve cells. The proteins leave the cell and travel in the bloodstream to other cells. The proteins interact directly with proteins on the surfaces of other cells. The proteins bind to molecules secreted by cells located in other parts of the body

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