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lacoya15 lacoya15
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6 years ago
Photosynthetic bacteria which do not use water as the ultimate source of electrons
 a. only contain chlorophyll a.
  b. only contain chlorophyll b.
  c. do not produce oxygen.
  d. have two photosystems.
  e. none of these
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bethclipbethclip
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6 years ago
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lacoya15 Author
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6 years ago
This helped my grade so much Perfect
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Yesterday
this is exactly what I needed
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2 hours ago
Helped a lot
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