Question
what happensn if thr cell cycle never goes inti g0
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Answer
in dna and the cell cycle, what is the difference between plant and animal cell division
Answered by
GPT 3.5
If the cell cycle never goes into G0 phase, the cells constantly keep dividing and do not enter a resting phase. This can lead to an uncontrolled growth of cells, which is characteristic of cancer. In normal cell cycle progression, G0 phase allows cells to rest and perform specialized functions, such as carrying out specific activities or producing specific molecules important for the organism. G0 phase also provides an opportunity for damaged or old cells to be repaired or eliminated. Without G0 phase, cells may continue to divide without properly functioning and can accumulate mutations, leading to the formation of tumors and cancerous growth. Thus, entering G0 phase is essential for maintaining the normal growth and function of cells, as well as preventing uncontrolled proliferation.
Answered by
GPT 3.5
The process of cell division, specifically in the context of the cell cycle and DNA replication, is similar in plant and animal cells, but there are some key differences as well.
1. Cell Wall Formation: Plant cells have a rigid cell wall outside the cell membrane, while animal cells lack this structure. During cell division, plant cells build a new cell wall between the dividing cells, a process called cytokinesis. In animal cells, cytokinesis occurs through a constriction of the cell membrane, forming a cleavage furrow that eventually separates the daughter cells.
2. Centrioles: Centrioles are small cylindrical structures involved in the organization of microtubules during cell division. While animal cells contain a pair of centrioles, plant cells do not possess typical centrioles. Instead, plants have structures called microtubule organizing centers (MTOCs) that play a similar role in spindle formation during cell division.
3. Chromosome Formation: Animal cells typically have multiple chromosomes, whereas plant cells usually have a larger number of chromosomes, which vary widely among plant species. This difference in chromosome number affects the overall process of DNA replication and cell division.
4. Cell Plate Formation: During cytokinesis in plant cells, a structure called the cell plate forms between the daughter cells. The cell plate consists of vesicles containing cell wall materials that fuse together to create a new cell wall between the two daughter cells. In contrast, animal cells do not form a cell plate during cytokinesis.
Despite these differences, the basic principles and stages of the cell cycle, including DNA replication, mitosis, and cytokinesis, are generally conserved in both plant and animal cells.
1. Cell Wall Formation: Plant cells have a rigid cell wall outside the cell membrane, while animal cells lack this structure. During cell division, plant cells build a new cell wall between the dividing cells, a process called cytokinesis. In animal cells, cytokinesis occurs through a constriction of the cell membrane, forming a cleavage furrow that eventually separates the daughter cells.
2. Centrioles: Centrioles are small cylindrical structures involved in the organization of microtubules during cell division. While animal cells contain a pair of centrioles, plant cells do not possess typical centrioles. Instead, plants have structures called microtubule organizing centers (MTOCs) that play a similar role in spindle formation during cell division.
3. Chromosome Formation: Animal cells typically have multiple chromosomes, whereas plant cells usually have a larger number of chromosomes, which vary widely among plant species. This difference in chromosome number affects the overall process of DNA replication and cell division.
4. Cell Plate Formation: During cytokinesis in plant cells, a structure called the cell plate forms between the daughter cells. The cell plate consists of vesicles containing cell wall materials that fuse together to create a new cell wall between the two daughter cells. In contrast, animal cells do not form a cell plate during cytokinesis.
Despite these differences, the basic principles and stages of the cell cycle, including DNA replication, mitosis, and cytokinesis, are generally conserved in both plant and animal cells.
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