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Pheophytin or
phaeophytin is a
chemical compound that
serves as the
first electron carrier intermediate in the
electron transfer pathway of Photosystem...
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molecules (also
named chromop****s or pigments) such as
chlorophyll and
pheophytin, as well as quinones. The
energy of the
photon is used to
excite an electron...
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contains at
least 99 cofactors: 35
chlorophyll a, 12 beta-carotene, two
pheophytin, two plastoquinone, two heme, one bicarbonate, 20 lipids, the Mn 4CaO...
- released. The
electron transfers from
pheophytin to
plastoquinone (PQ),
which takes 2e- (in two steps) from
pheophytin, and two H+ Ions from the
stroma to...
- complex,
chlorophylls and
carotenoid pigments, a
reaction center (P680),
pheophytin (a
pigment similar to chlorophyll), and two quinones. It uses the energy...
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loosened electron of P680* is
taken up by the
primary electron acceptor, a
pheophytin molecule located within photosystem II near P680.
During this transfer...
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phaeophorbide is a
product of
chlorophyll breakdown and a
derivative of
pheophytin where both the
central magnesium has been
removed and the
phytol tail...
- polysaccharides, polyphenols,
sargaquinoic acids, sargachromanol, and
pheophytin were
isolated from
different Sarg****um species.
These isolated compounds...
- electron. This
electron is
taken up by a
modified form of
chlorophyll called pheophytin,
which p****es the
electron to a
quinone molecule,
starting the flow of...
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series of cofactors. The
cofactors can be
pigments (like chlorophyll,
pheophytin, carotenoids), quinones, or iron-sulfur clusters. Each
photosystem has...
