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Chapter 17

Cell Proliferation

מהו מחזור התא?
מהו מחזור התא?
The cell cycle refers to the sequence of events occurring throughout a typical cell’s life. In eukaryotic cells, the somatic cell cycle has two ...
שלב ביניים
שלב ביניים
The cell cycle occurs over approximately 24 hours (in a typical human cell) and in two distinct stages: interphase, which includes three phases of the ...
מערכת בקרת מחזור התא
מערכת בקרת מחזור התא
The cell cycle is an organized set of events that leads the cell to divide into two daughter cells, each containing chromosomes identical to the parent ...
מולקולות מווסת חיוביות
מולקולות מווסת חיוביות
Mitotic cell division results in daughter cells that exactly resemble the parent cell. However, errors in the DNA replication or distribution of genetic ...
עיכוב פעילות Cdk
עיכוב פעילות Cdk
The orderly progression of the cell cycle depends on the activation of Cdk protein by binding to its cyclin partner. However, the cell cycle must be ...
S-CDK יוזם שכפול DNA
S-CDK יוזם שכפול DNA
The cell cycle is a series of events leading to DNA duplication followed by the division of cell content to form two daughter cells. The cell cycle ...
כונני M-CDK עוברים למיטוזה
כונני M-CDK עוברים למיטוזה
Checkpoints throughout the cell cycle serve as safeguards and gatekeepers, allowing the cell cycle to progress in favorable conditions and slow or halt it ...
מיטוגנים ומחזור התא
מיטוגנים ומחזור התא
Mitogens and their receptors play a crucial role in controlling the progression of the cell cycle. However, the loss of mitogenic control over cell ...
הזדקנות התא המשוכפל
הזדקנות התא המשוכפל
Replicative cell senescence is a property of cells that allows them to divide a finite number of times throughout the organism's lifespan while ...
התפשטות חריגה
התפשטות חריגה
Under normal conditions, most adult cells remain in a non-proliferative state unless stimulated by internal or external factors to replace lost cells. ...
תאים מתאמים גדילה והתפשטות
תאים מתאמים גדילה והתפשטות
Cell size is a significant factor impacting cellular design, function, and fitness. There exists some internal coordination by which cells double their ...
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