The Presence of Genes Encoding RubisCO Enzymes in Methanocaldococcus Jannaschii

question 2

Multiple Choice

The presence of genes encoding RubisCO enzymes in Methanocaldococcus jannaschii and a species of Pyrococcus indicates that the organisms

• A) incorporate carbon dioxide via the reverse citric acid cycle.
• B) incorporate carbon dioxide via the acetyl- CoA pathway.
• C) utilize molecular hydrogen as an electron donor in chemolithotrophic metabolism.
• D) incorporate carbon dioxide via the Calvin cycle.

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