John.Allen at placebio.lu.se
Tue Oct 3 04:35:19 EST 1995
To: "bionet.photosynthesis mail newsgroup"=20
<server-daemon at dl.ac.uk>
One should distinguish
Chemoautotrophy - use of chemical energy for assimilation of=20
Photoautotrophy - use of light energy for assimilation of=20
These are in distinction with chemoheterotrophy and=20
photoheterotrophy - use of chemical and light energy,=20
respectively, for assimilation of organic carbon.
"Chemosynthesis" is probably used for "chemoautotrophy".
Where does the chemical energy come from? From free energy=20
obtained from redox reactions, involving an oxidant in the=20
environment, e.g. oxygen. Where does the oxidant come from?=20
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