Van Niel's experiments with purple sulfur bacteria led to which of the following hypotheses?

+1 vote

 

  

During plant photosynthesis, the oxygen gas released comes from carbon dioxide.

  

Hydrogen sulfide is required for plant photosynthesis.

  

During plant photosynthesis, the oxygen gas released comes from water.

  

Purple sulfur bacteria are incapable of photosynthesis because they don't release oxygen gas.

 

asked Dec 25, 2012 in Biology by anonymous
    

1 Answer

+1 vote

 

During plant photosynthesis, the oxygen gas released comes from water.

 

answered Dec 25, 2012 by JPx ~Expert~ (379 points)



...