Cell Differentiation and Specialisation
- Created by: Becky_strawberry
- Created on: 24-03-19 16:37
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- Cell Differentiation and Specialisation
- Differentiation
- the process in which a cell changes to become specialised for its job
- develop different subcellular structures
- allow them to carry out different functions
- most differentiation occurs as an organism develops
- animals cells = ability lost at an early stage
- differentiation in mature mammals used for repairing and replacing cells
- plant cells = ability never lost
- animals cells = ability lost at an early stage
- un-differentiated cells called stem cells
- Sperm Cells
- get the male DNA to the female DNA
- help it swim
- long tail
- help it swim
- streamlined head
- get the male DNA to the female DNA
- Nerve Cells
- carry electrical signals
- long
- carry electrical signals
- branched connections
- Muscle Cells
- contract quickly
- long
- contract quickly
- contain lots of mitochondria
- generate energy
- generate energy
- Root Hair Cells
- on the surface of roots
- grow into long 'hairs' that stick out into the soil
- large surface area
- absorb mineral ions and water
- large surface area
- Phloem and Xylem
- transport food and water around plants
- Xylem = hollow
- things can flow through them
- Phloem = few sub-cellular structures
- things can flow through them
- Xylem = hollow
- joined end to end
- transport food and water around plants
- Differentiation
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