Dr. Dre Biography. Music producer and hip hop performer Andre Young, a.k.a. Dr. Dre, co-founded the notorious rap group N.W.A. (with Ice Cube and Eazy-E). The group was one of the most successful hip-hop groups of the late 1980s and helped lay the foundations of whatâs known as West Coast âgangstaâ rap.
124 Part II Biology of the Cell Receptor Proteins and Signaling between Cells Communication between cells is com-mon in nature. Cell signaling occursin all multicellular organisms, provid-ing an indispensable mechanism forcells to influence one another.
Originally Answered: Why does diffusion occur in a cell? Diffusion is a process that occurs when a substance such as water, molecules, and ions, which are usually needed for various cellular processes, enter and leave cells. The way that cell diffusion happens is by molecules moving from an area of high concentration to an area of low concentration. Views.