Answer Posted / anithaisro
A common method of obtaining pure cultures is serial
dilution. Cultivators dilute a wild sample or a lab sample
containing the desired algae with filtered water and
introduce small aliquots into a large number of small
growing containers. Dilution follows a microscopic
examination of the source culture that predicts that a few
of the growing containers contain a single cell of the
desired species. Following a suitable period on a light
table, cultivators again use the microscope to identify
containers to start larger cultures.
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