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from high concentration to low
passive transport
from low concentration to high
active transport
The cell membrane is
a border between the cell and its environment.
It is selectively permeable. It means
some substances can move across the membrane, and some cannot.
active transport requires no energy.
false
Endocytosis, exocytosis, sodium potassium transportations are examples of
active transport
Diffusion is
a movement of molecules from an area of high concentration to low concentration area until both sides are equal.
tea bag placed in a cup of hot water is an example of
diffusion
a movement of water molecules from a higher concentration to a lower concentration
osmosis
cigarette smoke is an example of
diffusion
Phagocytosis is
take in solid materials
Pinocytosis -
take in liquid materials
... is an active transport of large particles into the cell
Endocytosis
transport molecules out of the cell
exocytosis
