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"Nekar Xenos" <nek### [at] gmail com> wrote:
> Bue is a beautiful blue planet where plants have blue leaves (I think th
> is
>
> would require a method other than photosynthesis, but I don't know enoug
> h
>
> about biology to come up with an idea for that).
Some animals right here on Earth use copper as a base for their oxygen-bearing
protein instead of iron, resulting in blue blood; so I can easily imagine a
photosynthesis that uses a catalyst other than magnesium-based chlorophyll.
Actually, Wikipedia does mention some other photosynthetic pigments, such as
carotenes and xanthophylls, so dream away!
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