Final answer:
The cell must retain a complete copy of DNA during division, ensuring that the daughter cells have the same genetic blueprint as the parent cell.
Step-by-step explanation:
The cell must retain a complete copy of these original instructions. When a cell divides, it's imperative that each new (daughter) cell receives an accurate and complete copy of DNA for proper functioning. DNA contains the genetic blueprint that dictates everything a cell will do and is fundamental to life processes. It includes all the information for the synthesis of proteins, which are crucial for the cell's structure and metabolic activities. This replication ensures that both cells are genetically identical and can carry out the necessary functions.
During DNA replication, the nucleotides in the DNA sequence are copied to form two new strands, ensuring each cell has the same genetic information as the parent cell. This process involves several critical steps and mechanisms to maintain the integrity of the genetic code. Furthermore, each cell must have an adequate stockpile of nucleotides and the proper attachment of mitotic spindle fibers to kinetochores for successful division. It is through this meticulous process that the instructions for cellular functions are preserved and passed on.