In Your Analysis of a Newly Discovered Bacterial Species,you Find

Multiple Choice

In your analysis of a newly discovered bacterial species,you find the bacteria reduce carbon dioxide to organic compounds but do not produce oxygen.The nutritional mode of this new bacterial species is most likely

A) oxygenic photoautotroph.
B) anoxygenic chemoautotroph.
C) anoxygenic photoautotroph.
D) oxygenic chemoautotoph.
E) anoxygenic chemoheterotoph.