Which of the following is FALSE regarding photosynthesis?
A)It first appeared in ancient prokaryotes.
B)The earliest form of photosynthetic reactions oxidized (used)H₂O and yielded O₂.
C)Development of oxygenic photosynthesis led to atmospheric changes that allowed evolution of cells/organisms able to use aerobic respiration.
D)Some forms of photosynthesis involve oxidizing compounds such as ferrous iron or H₂S.

Question

Quizplus · Accepted Answer

The earliest form of photosynthetic reactions did not produce O₂, but rather used other compounds such as H₂S. The development of oxygenic photosynthesis, which first appeared in cyanobacteria, was responsible for the production of oxygen.

Which of the Following Is FALSE Regarding Photosynthesis