The Conversion of Nitrates into Free Nitrogen_______

question 110

Multiple Choice

The conversion of nitrates into free nitrogen_______ .

• A) happens in the process of photosynthesis
• B) is accomplished by bacteria
• C) is called "fixing" of nitrogen
• D) does not happen in nature
• E) is not correctly described above

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Definitions:

Food

Any nutritious substance that people or animals eat or drink to sustain life.

Homeostasis

The tendency of a biological system to maintain stable internal conditions despite changes in external environments.

Insulin

A pancreas-derived hormone that assists in controlling blood glucose levels by facilitating the entry of glucose into the body's tissues.

Glucose

A simple sugar that is an important source of energy and is involved in many metabolic processes.