TLS Online TPP Program

#Question id: 15173


Microbes such as Chlorobium and Chromatium develop as visible green and purple zones. These microorganisms use

#XL - S Microbiology
  1. Hydrogen sulfide as an electron source, and CO2 from sodium carbonate as a carbon source
  2. Hydrogen sulfide as an electron source, and O2 from sodium carbonate as a oxygen source
  3. Mercuric chloride as an electron source, and CO2 from sodium carbonate as a carbon source
  4. Citrate as an electron source, and ethanol as a carbon source