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OCR Biology
Module 5
5.5 Photosynthesis
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Limiting Factors
OCR Biology > Module 5 > 5.5 Photosynthesis
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LDR
OCR Biology > Module 5 > 5.5 Photosynthesis
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Calvin Cycle - LIR
OCR Biology > Module 5 > 5.5 Photosynthesis
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Chloroplasts
OCR Biology > Module 5 > 5.5 Photosynthesis
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Cards (42)
Plants need
energy
for things like
photosynthesis
,
active transport
,
DNA replication
,
cell division
and
protein synthesis.
Metabolic pathway
- A series of small reactions controlled by enzymes e.g. respiration and photosynthesis.
Phosphorylation
- Adding phosphate to a molecule.
Photophosphrylation
- Adding phosphate ro a molecule using light.
Photolysis
- The splitting of a molecule using light energy.
Hydrolysis
- The splitting of a molecule using water.
Decarboxylation
- The removal of carbon dioxide from a molecule.
Dehydrogenation
- The removal of hydrogen from a molecule.
Redox Reactions - Reactions that involve
oxidation
and
reduction.
If something is
reduced
it has
gained
electrons and may have gained
hydrogen
or lost
oxygen.
If something is oxidised it has lost electrons, and may have lost hydorgen or gained
oxygen.
A
conenzyme
is a molecule that aids the function of an enzyme. The usually work by
transferring
a chemical group from one molecule to another.
A coenzyme used to photosynthesis is
NADP
which transfers
hydrogen
from one molecule to another this means it can preform
redox
reactions.
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