Basic unit of life: CELLS

By Lara Danise & Giulia Greco

INDEX:• Introduction• Animals and plants

cells –  Function in common– Extra part of plants cells– Specialized cells

•  Diffusion and osmosis–  Diffusion– Osmosis

• Bibliography

Introdution• Basic unit of life

• Differences between eukaryotic and

prokaryotic cells

• Kinds of eukaryotic and prokaryotic cells

Eukaryotic cells Prokaryotic cells

Animals and plants cells

Features in common:

Part Function

nucleus genetic material

cytoplasm chemical processes by enzymes

cell membrane movement of substances

mitochondria energy by respiration

ribosomes protein synthesis

Extra part of plants cells:

Part Function

cell wall thick wall

chloroplasts chlorophyll, light energy for photosynthesis

permanent vacuole dissolved substances

Specialized cells

• Unicellular and multi-cellular organism• Humans cells and their work• Example• Cells – tissue – organ – system –

organism

Diffusion and osmosis

Diffusion• Definition • How

happen• Example

Osmosis• Definition• For osmosis you

need …• How happen• Example

Direction of water

Linkography

• http://www.bbc.co.uk/schools/ks3bitesize/science/organisms_behaviour_health/

• http://www.bbc.co.uk/schools/gcsebitesize/science/add_aqa/cells/cells1.shtml