14758784
Description
Mind Map by Aina Kamilia, updated more than 1 year ago
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Created by Aina Kamilia
over 5 years ago
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Photosynthesis
- C3 (advantageous
when weather is
moderate)
- - Uses RuBP
Carboxylase to fix CO2
to RuBP in mesophyll
cells.
- O2 rises (stomata
closes during hot
weather)
- RuBP carboxylase
combines O2 with
RuBP instead of
CO2
- Release 1
molecule of
3PG and CO2
- PHOTORESPIRATION,
CO2 is not delivered
to the Calvin Cycle
- PHOTORESPIRATION,
CO2 is not delivered
to the Calvin Cycle
- Release 1
molecule of
3PG and CO2
- RuBP carboxylase
combines O2 with
RuBP instead of
CO2
- O2 rises (stomata
closes during hot
weather)
- -contains
well-formed
chloroplasts
-arranged in
parallel layers
- - Uses RuBP
Carboxylase to fix CO2
to RuBP in mesophyll
cells.
- C4 (an adaptation to avoid
PHOTORESPIRATION during
hot and dry weathers)
- -bundle of sheath
cells & mesophyll
cells contain
chloroplast
-arrnged
concentrically
around the bundle
sheath cells
- -fixes CO2 to
PEP, a C3
molecule. using
the enzyme
PEP
carboxylase.
- CAM
(water
containing
plants)
- minimal photosynthesis
- occurs at night
(stomata opens at
night)
- minimal photosynthesis
- oxaloacetate
- Malate (a reduced
form of oxaloacetate)
combines with CO2
and later pumped into
bundle sheath cells (where CO2 enters the Calvin Cycle)
- PHOTORESPIRATION
does not occur.
PEPCase does not
combine with O2
- Even when stomata is closed, CO2 is
delivered to the Calvin Cycle.
- Even when stomata is closed, CO2 is
delivered to the Calvin Cycle.
- PHOTORESPIRATION
does not occur.
PEPCase does not
combine with O2
- Malate (a reduced
form of oxaloacetate)
combines with CO2
and later pumped into
bundle sheath cells (where CO2 enters the Calvin Cycle)
- CAM
(water
containing
plants)
- -bundle of sheath
cells & mesophyll
cells contain
chloroplast
-arrnged
concentrically
around the bundle
sheath cells
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