An illustration of a cell membrane with the letters "U" and "P" on it. The membrane is divided into two sections, with the outermost section on the left side and the innermost section in the middle. On the right side of the image, there are six spheres of different colors - blue, yellow, and orange - arranged in a circular pattern. The spheres are connected by a yellow arrow, which is pointing towards the center of the membrane. The image appears to be a representation of the structure of the cell membrane.
User yasmch uploaded the image
User yasmch uploaded the image
