Assist. Prof. Dr. Açelya Yılmazer Aktuna

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Assist. Prof. Dr. Açelya Yılmazer Aktuna Cell Biology BME140 Lecture 9 Cell Cycle Assist. Prof. Dr. Açelya Yılmazer Aktuna

CELL CYCLE Signal transduction Change in gene expression Steps in cell cycle: Signal transduction Change in gene expression Activation of Cyclin/CDK complexes (START) Phosphorylation of pocket proteins (E2F) DNA replication

CELL CYCLE Passing S phase checkpoints Increase in cell size (G2) Steps in cell cycle: Passing S phase checkpoints Increase in cell size (G2) Entry to M phase Chromosome alignment during M phase Cytokinesis

APOPTOSIS & NECROSIS Cells Die in Two Different Ways: Necrosis and Apoptosis Apoptosis Is Induced via at Least Two Different Pathways

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