You Have Isolated a Bacterium That Grows in a Medium

question 1

Multiple Choice

You have isolated a bacterium that grows in a medium containing an organic substrate and nitrate in the absence of oxygen. The nitrate is reduced to nitrogen gas. You can be sure that this bacterium is

• A) a chemoautotroph.
• B) a photoheterotroph.
• C) a photoautotroph.
• D) gram-positive.
• E) using anaerobic respiration.

---

Definitions:

Local Water Company

A company responsible for providing water supply and wastewater services to a specific local area or community.

Kinked Demand Curve

A market theory that suggests prices have a tendency to remain stable because competitors will match price decreases but not price increases.

Cutthroat Competition

An extremely competitive market situation where competitors use aggressive tactics to undercut each other's prices, leading to very low profit margins.

Sticky Prices

A situation in economics where the prices of goods and services are slow to respond to changes in the supply and demand.