Which Statement About the Proteobacteria Is False

question 259

Multiple Choice

Which statement about the proteobacteria is false?

• A)All groups of proteobacteria have retained the photoautotrophic nutritional mode.
• B)The proteobacteria include some nitrogen-fixing genera.
• C) Proteobacteria include many species of Gram-negative photoautotrophs that use light-driven reactions to metabolize sulfur.
• D) Proteobacteria cause major human diseases, including cholera and bubonic plague.
• E) The eukaryotic mitochondrion was derived from a proteobacterium.

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Definitions:

Actual Production

The real and measurable output of goods or services from a production process or system.

Normal Production

The expected volume of output under standard operating conditions without external disruptions.

Standard Costing System

An accounting system that uses predetermined costs for products or services to assess the efficiency of operations by comparing them to actual costs incurred.

Standard Quantity Allowed

The quantity of materials or resources authorized for use in the production of a certain level of output under standard operating conditions.