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Biology paper 1
Photosynthesis and limiting factors
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Sadiya Uddin
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Cards (11)
Photosynthesis
Process that produces
glucose
using
light
Photosynthesis
1.
Carbon dioxide
+
water
2.
Light
3.
Glucose
+
oxygen
Ways
plants use glucose
Respiration
- provides
energy
Making
cellulose
- for strong plant
cells
Making
amino
acids - combined with
nitrates
for proteins
Stored as
fats
and
oils
Stored as
starch
Starch
Insoluble
, better for storing than
glucose
Limiting
factors
Factors that affect the rate of
photosynthesis
Limiting
factors of photosynthesis
Light intensity
Carbon dioxide concentration
Temperature
Any of the three limiting factors can become the factor
limiting photosynthesis
from happening any faster</b>
The
limiting factor
depends on the
environmental
conditions
If it's
warm
enough and
bright
enough, the amount of carbon dioxide is usually limiting
Chlorophyll
Can also be a
limiting
factor of photosynthesis
Factors like disease or environmental stress can reduce the amount of
chlorophyll
,
limiting
the rate of photosynthesis