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Biology 1 from 3
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Biology 1 from 3
Chapter 4 THE WATER CYCLE
BIOLOGICAL SIGNIFICANCE OF OSMOSIS
Water from soil solution is absorbed into the root of plants by osmosis.
Water moves from one living cell to another. i.e. From root to stem to leaves by osmosis.
Osmosis helps plant cells retain water and keep their shape and turgidity.
Osmosis controls the opening and closing of the stomata.
In animals, blood and other body fluids must be maintained at the same osmotic pressure as the body cells.
par
Claude Foumtum
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Biology 1 from 3
Chapter 1 CELLS
DEFINITION
ORGANELLES AND THEIR FUNCTIO
SIMILARITIES AND DIFFERENCES BETWEEN PLANT CELLS AND ANIMAL CELLS
Chapter 2 CLASSIFICATION OF LIVING ORGANISMS
Definition
REASONS WHY WE CLASSIFY ORGANISMS
THE FIVE KINGDOM SYSTEM OF CLASSIFICATION
Chapter 3 VARIETY OF LIVING ORGANISMS
VIRUSES
LIFE CYCLE OF T2 BACTERIOPAGE
KINGDOM PROKARYOTAE
COMMON BACTERIAL DISEASES OF MAN
KINGDOM PROTOCTISTA
STRUCTURAL DIFFERENCES BETWEEN A BACTERIA CELL AND A MOULD
Chapter 4 THE WATER CYCLE
EXPERIMENT TO INVESTIGATE OSMOSIS IN NON-LIVING TISSUES Eg: Visking membrane or pig?s bladder.
Definition
BIOLOGICAL IMPORTANCE OF WATER TO LIVING ORGANISM
CONSERVATION OF WATER
MOVEMENTS OF SUBSTANCES IN AND OUT OF CELL
CONCENTRATION OF SOLUTIONS AND OSMOSIS
EXPERIMENT TO INVESTIGATE OSMOSIS IN A LIVING TISSUE Eg: Potato
BIOLOGICAL SIGNIFICANCE OF OSMOSIS
WATER RELATION IN PLANT CELLS
WATER RELATIONS IN ANIMAL CELLS