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Stem Cells And Meristems
Descripción
Meristems and Stem cells summary
Sin etiquetas
biology
nat5
unit2
stemcells and meristems
biology
unit 2
gcse
Mapa Mental por
dietcokeandlime
, actualizado hace más de 1 año
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Creado por
dietcokeandlime
hace más de 8 años
15
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Resumen del Recurso
Stem Cells And Meristems
Specialised cells originate from stem cells*
*(Cells which are yet to be specialised)
Stem cells can divide and produce cells that have the potential to become more specific cell types
Stem cells are involved in growth/development and repair of animals
There are two types of stem cells
Adult stem cells
Adult stem cells are present in tissues and organs and can become cells such as neurons, muscle cells or blood cells
Embryonic stem cells
Embryonic stem cells can divide and differentiate to form any type of cell in the body
In plants, growth occurs in special areas called meristems
Where mitosis occurs
Meristems are regions of actively dividing cells, which have the potential to become almost any type of cell and contribute to growth
There is two types of meristem
Lateral meristems
Lateral meristems are found within the tens and roots of plants
Apical meristems
Apical meristems are found at the shoot tip and at the root tips of plants
Apical meristems give rise to organs like leaves and flowers
Mitosis in Meristems
Embryo = Anything
aduLt = Limited
No particular shape or structure
Stem cells can not become gametes
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