Chapter 10 Cell Growth and Division.pdf

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B. Cancer: uncontrolled cell growth‣Division not regulated by cyclins‣Tumor – mass of cells (benign or malignant-spread)‣Block nerve connectn, steal nutrients, stop orgn functning‣Most cancers have defect in gene p53‣Halts cell cycle till all chromos replicated‣Damaged p53 cause cells to lose info for normal controls‣Treatmnt: removal (skin cancer), radiatn, chemothrpy
10.4 Cell DifferentiationA. Stem cells‣ Unspecialized cells which become differentiated cells1. Totipotent stem cells: can develop into any cell type‣ Fertilized egg/also cells of first few divisions2. Blastocyst: early hollow ball of cells‣ Pluripotent cells (inner cells): can become mostcell types (can not become placenta)‣ Embryonic Stem Cells: are pluripotent-can becomeall cells of body
Page 1: Chapter 10
Page 5 and 6: 4. Cell Division‣Before Division:
Page 7 and 8: 2. Sexual Reproduction‣ Offspring
Page 9 and 10: 10.2 The process of Cell DivisionA.
Page 11 and 12: C. Eukaryotic Chromosomes:‣ More
Page 13 and 14: a) Interphase— “in-between”-m
Page 15 and 16: 2) Metaphase—M for “middle”
Page 18 and 19: c) Cytokinesis: division of cytopla
Page 21: 10.3 Regulating Cell CycleA. Contro

Chapter 10 Cell Growth and Division.pdf

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