Final answer:
Cellular division through binary fission involves chromosome replication and subsequent movement to opposite ends of the cell, facilitated by an unknown mechanism. Additionally, proteins act as movers within cells, helping to transport substances across the membrane.
Step-by-step explanation:
When referring to cellular division, particularly binary fission in prokaryotic organisms, the process involves replicating the chromosome and then moving the two copies to opposite ends of the cell. This movement occurs by an unknown mechanism, but it is crucial for the segregation of genetic material before the actual division of the cell. Typically, the chromosome's copies attach to different parts of the cell membrane and segregate as the cell prepares to divide. This ensures that each of the two resulting daughter cells receives an identical set of genetic information.
The concept of moving things within cells is not limited to chromosomes during division. For example, the diffusion of substances across a cell membrane often requires specific proteins to facilitate the process. These are akin to moving trucks that help with the transfer of large pieces of furniture during a physical move from one location to another. Hence, special types of proteins help in moving molecules across cell membranes, playing a pivotal role in cellular transport mechanisms.