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17
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The bond energy
in the ATP molecule is used to drive essential metabolic
processes
...
In photosynthesis, light provides the energy needed to build
organic molecules like glucose
...
17
...
This
ATP is then used to supply the energy needed to break bonds in
the metabolic reactions of the cell
...
chemiosmosis
The ATP produced in both photosynthesis and respiration is
synthesised primarily by a process called chemiosmosis
...
The movement of the protons as
they flow down their concentration gradient releases energy
that is used in the attachment of an inorganic phosphate to
ADP, forming ATP
...
The energy to do this comes from high energy
electrons (excited electrons)
...
g
...
High energy electrons are released when chemical bonds are
broken in respiratory substrate molecules (e
...
glucose)
...
17
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As high
energy electrons move from one carrier in the chain to
another, energy is released
...
The proton
gradient is maintained as a result of the impermeability of
the membrane to hydrogen ions
...
The flow of protons through these
channels provides the energy used to synthesise ATP from ADP
and Pi
...
2 ATP Synthesis
3
In photosynthesis, ATP is used to synthesise glucose and other
organic molecules
...
17