Azotobacter

question 7

Multiple Choice

Azotobacter

• A) are the chief suppliers of fixed nitrogen in grasslands.
• B) form symbiotic associations with algae.
• C) have a very low respiratory rate.
• D) are methanogens.
• E) are the chief suppliers of fixed nitrogen in grasslands AND form symbiotic associations with algae.

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Definitions:

Carbohydrates

Organic compounds, including sugars, starches, and cellulose, which are an important source of energy for living organisms.

Proximal

Situated close to the origin or point of attachment or reference.

Anterior

Anatomical term meaning toward the front of the body; also called ventral.

Frontal

Anatomical term that refers to the plane that divides the body into anterior and posterior portions. Also called coronal.