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Chapter 17

Cell Proliferation

ما هي دورة الخلية؟
ما هي دورة الخلية؟
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 ...
الطور البيني
الطور البيني
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 ...
نظام التحكم في دورة الخلية
نظام التحكم في دورة الخلية
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 ...
جزيئات المنظم الإيجابي
جزيئات المنظم الإيجابي
Mitotic cell division results in daughter cells that exactly resemble the parent cell. However, errors in the DNA replication or distribution of genetic ...
تثبيط نشاط Cdk
تثبيط نشاط 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 ...
يبدأ S-Cdk تكرار الحمض النووي
يبدأ S-Cdk تكرار الحمض النووي
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 ...
M-CDK يقود الانتقال إلى الانقسام
M-CDK يقود الانتقال إلى الانقسام
Checkpoints throughout the cell cycle serve as safeguards and gatekeepers, allowing the cell cycle to progress in favorable conditions and slow or halt it ...
الميتوجينات ودورة الخلية
الميتوجينات ودورة الخلية
Mitogens and their receptors play a crucial role in controlling the progression of the cell cycle. However, the loss of mitogenic control over cell ...
شيخوخة الخلايا التكاثرية
شيخوخة الخلايا التكاثرية
Replicative cell senescence is a property of cells that allows them to divide a finite number of times throughout the organism's lifespan while ...
انتشار غير طبيعي
انتشار غير طبيعي
Under normal conditions, most adult cells remain in a non-proliferative state unless stimulated by internal or external factors to replace lost cells. ...
الخلايا تنسق النمو والانتشار
الخلايا تنسق النمو والانتشار
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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