Ø is the uptake of large particles into the cell by the
formation of a
(57)pit or (58) psedopodia (偽足) at the cell membrane.
Ø is an (59) active process and requires energy.
Ø
occurs only in living
cells
Ø
Importance of
phagocytosis:
n (60) nutrition of some (61)unicellular organisms (單細胞生物), e.g. Amoeba (變形蟲) engulfs food
particles
n body defence (身體防衛) against diseases, e.g. in humans and other mammals,
certain
(62)white
blood cells engulf
harmful microorganisms (有害的微生物).
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