What do chromosomes contain that aids in cell division?

Chromosomes are structures located within the nucleus of eukaryotic cells, composed primarily of DNA and proteins. The critical function of chromosomes during cell division is to ensure the accurate replication and distribution of genetic material to the daughter cells.

DNA, housed within chromosomes, contains the instructions necessary for all cellular functions and the overall development of an organism. When a cell prepares to divide, it duplicates its chromosomes so that each new cell receives an identical set of genetic information. This process is fundamental for maintaining genetic continuity across generations of cells.

While proteins, RNA, and enzymes play important roles in various cellular processes, they are not the primary component of chromosomes that directly aids in cell division. Proteins might be involved in supporting and regulating various cellular functions, including energy production, and enzymes can facilitate biochemical reactions, but it is the DNA within the chromosomes that is specifically responsible for proper replication and distribution during cell division.