'Assimilation' (from ''similis'',
lat. = similar), in
biology, designates the process of the transformation of external
substances and materials into substances and materials internal to the
body.
Examples of biological assimilation
★
Photosynthesis, a process whereby
carbon dioxide and
water are transformed into a number of
organic molecules in
plant cells.
★
Nitrogen fixation from the soil into organic molecules by
symbiotic bacteria which live in the
roots of certain plants, such as
Leguminosae.
★ The
absorption of
nutrients into the body after
digestion in the
intestine and its transformation in
biological tissues and
fluids.
★ Assimilation is occurring in every cell of the body to help develop new cells.
See also
★
Anabolism
★
Biochemistry