caption: The image shows an animated diagram of a cell membrane with a variety of different types of cells, including a cell nucleus, mitochondria, and other organelles. The cell nucleus is the main focus of the image, with its intricate structure and structure clearly visible. The other cells are arranged in a circular pattern around the nucleus, with some of them overlapping each other. The colors of the cells range from light blue to dark blue, and the background is a light green.