Yo,
G1 is the phase when genetic materials, for instance, DNA, are organized and "stretched out as a line." Only when this is achieved, the body cell is able to create a copy of this organized DNA.
To keep it simple,
G1 - materials stretch up (preparation) [one copy of genetic material present]
S (Synthesis) - copying . . . (YO) [two copies of genetic material present]
G2 - materials coil up into chromosomes [two copies of genetic material present]
So when G1 is not well-achieved, or to say, the materials are not well-prepared to copy, there are chances of mal-copying of DNA, which probably cause cancer and cell malfunctions, also chances of bringing confusion to body cells, into error copies creation. DNAs stretch up so it is easy to copy, and it is more apparent that body cell can tell there is one exact correct copy is made rather than have to check every little tiny portion that is not even visible throughout its cytoplasm
I hope this helped
Sincerely,
Jelmano
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The G1 phase of the cell cycle is crucial as it allows the cell to grow in size, synthesize proteins, and make important decisions about whether to progress to division or enter a resting state. It is during this phase that the cell accumulates the necessary energy and resources to successfully complete the cell division process. Additionally, cells use G1 to check for any damage or errors in their DNA before committing to division, ensuring that the newly formed cells will be viable.
Chromosomes, which consist of DNA and proteins, are only visible when a cell is preparing to divide. These structures condense and become visible under a microscope during cell division, allowing for the precise distribution of genetic material to daughter cells.
The time before the cell cycle where the cell is performing its normal functions and preparing to divide is known as the interphase. During interphase, the cell undergoes growth, replicates its DNA, and carries out its usual metabolic activities. Interphase is divided into three stages: G1 phase, S phase, and G2 phase.
The nucleus contains the DNA, and it is basically the brain of the cell.
The phase of the cell cycle when the cell is preparing to reproduce is the S phase, where DNA replication occurs. This phase is followed by the G2 phase, where the cell continues to grow and prepares for cell division.
When a cell is preparing to divide, it duplicates its DNA through a process called DNA replication. This ensures that each daughter cell receives an identical copy of the genetic material before the cell division occurs. Having a temporary double dose of genes allows for accurate distribution of genetic material to the daughter cells.