Cell surface receptors used in cell signaling are usually proteins that extend from one side of the membrane to the other side of the membrane. what is the role of the extracellular part of the protein? A binding the signaling molecule
B afunctioning as an enzyme
C increasing the solubility of the receptor
D transmitting the signal from the target cell

A. binding the signaling molecule

videntify the dna change shown in the diagram and explain how that change can result in the increased genetic diversity often seen among siblings.identify the dna change shown in the diagram and explain how that change can result in the increased genetic diversity often seen among siblings.

a time line cause it goes from 685 to 978