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Cell Function Adaption
Absorbs light energy for Packed with chloroplasts. Regular shaped, closely packed
photosynthesis cells form a continuous layer for efficient absorption of
Leaf Cell
Absorbs water and mineral ions Long 'finger-like' process with very thin wall, which gives a
from the soil large surface area.
Root Hair Cell
Fertilises an egg cell - female The head contains genetic information and an enzyme to
gamete help penetrate the egg cell membrane. The middle
section is packed with mitochondria for energy. The tail
Sperm Cell moves the sperm to the egg.
Contains haemoglobin to carry Thin outer membrane to let oxygen diffuse through easily.
oxygen to the cells. Shape increases the surface area to allow more oxygen to
Red Blood Cells be absorbed efficiently. No nucleus, so the whole cell is
full of haemoglobin.…read more

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Part Function
Nucleus Contains genetic material, which controls the activities of the cell
Cytoplasm Most chemical processes take place here, controlled by enzymes
Cell membrane Controls the movement of substances into and out of the cell
Mitochondria Most energy is released through respiration here.
Ribosomes Protein synthesis happens here
Extra Plant Cell
Part Functions
Cell wall Strengthens the cell
Chloroplasts Contain chlorophyll, which absorbs light energy for photosynthesis
Permanent vacuole Filled with cell sap to help keep the cell turgid…read more

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Dissolved substances have to pass through the cell membrane to get into or
out of a cell. Diffusion is one of the processes that allows this to happen.
Diffusion occurs when particles spread. They move from a region where they
are in high concentration to a region where they are in low concentration.
Diffusion happens when the particles are free to move. This is true in gases
and for particles dissolved in solutions. Particles diffuse down a
concentration gradient, from an area of high concentration to an area of low
concentration. This is how the smell of cooking travels around the house
from the kitchen.
Location Particles move From To
Gut Digested food products Gut cavity Blood in capillary of villus
Lungs Oxygen Alveolar air space Blood circulating around
the lungs
E.G. GASEOUS…read more

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