Khan Academy Static

What is the difference between a heart cell and a liver cell? Not only do they look different, but they obviously have different roles in our bodies. Yet, both of these cells have the same 23 chromosomes in their nuclei, so shouldn’t they be similar? These videos explain why a heart cell becomes a heart cell and not a liver cell.

14944_Cellular_specialization_differentiation_.html

14945_Telomeres_and_cell_senescence.html

14941_Stem_cells.html

14943_Mitochondria_apoptosis_and_oxidative_stress.html

14946_Cellular_movement.html

14942_Cellular_communication.html