What Growth Conditions Would You Use to Enrich for Ammonia-Oxidizing

question 79

Multiple Choice

What growth conditions would you use to enrich for ammonia-oxidizing bacteria?

• A) aerobic mineral media with ammonia and bicarbonate incubated in the dark
• B) anaerobic mineral media with acetate and ammonia incubated in the dark
• C) aerobic mineral media with acetate and ammonia incubated in the dark
• D) anaerobic mineral media with ammonia and nitrate incubated in the dark

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Definitions:

Conversion Costs

The total expenses of direct labor together with manufacturing overheads spent in transforming raw materials into completed products.

Process Cost Accounting System

A bookkeeping mechanism for distributing costs among similar items that are produced in large scale and without interruption.

Equivalent Units of Production

A concept in cost accounting used to assign costs to partially completed goods, calculated by taking the number of units in the production process and converting them into a number of completed units.

Conversion Cost

The combined total of labor and manufacturing overhead costs necessary to convert raw materials into finished products.