Answer: There are two kinds of communication in the world of living cells. Communication between cells is called intercellular signaling, and communication within a cell is called intracellular signaling. An easy way to remember the distinction is by understanding the Latin origin of the prefixes: inter– means “between” (for example, intersecting lines are those that cross each other) and intra– means “inside” (like intravenous). Chemical sign
Explanation:
Cell communication can either be intracellular or intercellular. The given image represents the transduction steps of the BREC.
In the given image, molecule B represents the VEGF.
VEGF is known as Vascular endothelial growth factor, which is a signaling protein that promotes the growth of new blood vessels.
The growth factor in the given image binds to the active site of BERC and is also associated with the regulation of angiogenesis.
VEGF receptor signal transduction is the master regulator of angiogenesis.
Therefore, in the given image, molecule B represents VEGF factors.
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