What Percentage of Microbes Have Been Cultured in the Laboratory

question 10

Multiple Choice

What percentage of microbes have been cultured in the laboratory?

• A)1%
• B)10%
• C)20%
• D)30%

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Definitions:

Calvin Cycle

The Calvin cycle is a set of biochemical redox reactions that take place in the stroma of chloroplasts in photosynthetic organisms. It is a critical part of the process of carbon fixation in photosynthesis.

CO2

Carbon dioxide, a colorless gas with a slightly acidic taste and odor, a byproduct of respiration and an important greenhouse gas in Earth's atmosphere.

Chemoautotroph

Organism that obtains energy from inorganic compounds and synthesizes organic compounds from inorganic raw materials; includes some bacteria and many archaea. Compare with photoautotroph, photoheterotroph, and chemoheterotroph.

Nitrogen-Fixing Bacteria

are bacteria capable of transforming atmospheric nitrogen into fixed nitrogen, making it accessible to plants for growth.