1 Importance of light and chlorophyll
Doc.
Get four leaves: a parti-colored, a totally
...
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Biology, 23.03.2021 21:40, angelaisthebest1700
1 Importance of light and chlorophyll
Doc.
Get four leaves: a parti-colored, a totally
covered, a partially covered and a totally
P Р
exposed to light leaf,
rocedure
. Consider three pelargonium plants: the first
has green leaves and is kept in darkness, the
second has green leaves and is exposed to
sunlight for one day, and the third has parti-
colored leaves and is also exposed to sunlight Put the four leaves in hot alcohol places in
water bath for ten minutes (to avoid the
burning of alcohol) in order to dissolve
chlorophyll. After cooling, dip them in jocure
for one day
water.
Take two leaves from the second plant, entirely
cover one leaf and partially cover the second
with opaque covers.
Doc. a The leaf kept in darkness
or totally covered
![answer](/tpl/images/cats/otvet.png)
Answers: 3
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