How Is It Possible for Humans to Use Some Proteobacteria,such

question 43

Multiple Choice

How is it possible for humans to use some Proteobacteria,such as Geobacter species,to generate electricity?

• A) Geobacter species use lipopolysaccharide, or LPS, within their outer membrane to store energy that can be harnessed.
• B) Geobacter species transfer electrons to electrodes in fuel cells because they transfer electrons to iron or magnesium.
• C) Geobacter species are heavily flagellated and display swarming behavior that generates electricity.
• D) Geobacter species produce gases during fermentation of carbohydrates, and these gases are used in fuel cells.

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Definitions:

Long-run Equilibrium

A state in a market where all firms are making normal profits, with no incentives for entry or exit, and all factors of production are variable.

Demand Curve

A graphical representation showing the relationship between the price of a good and the quantity demanded by consumers.

Long Run

A period of time in which all factors of production and costs are variable, allowing companies to adjust to market changes.

Perfectly Competitive

A market structure characterized by infinite buyers and sellers, no barriers to entry, and perfect information, resulting in an efficient market.