Why Is Nitrogen Fixation an Essential Process

question 24

Multiple Choice

Why is nitrogen fixation an essential process?

• A) Nitrogen fixation can only be done by certain prokaryotes.
• B) Fixed nitrogen is often the limiting factor in plant growth.
• C) Nitrogen fixation is very expensive in terms of metabolic energy.
• D) Nitrogen fixers are sometimes symbiotic with legumes.
• E) Nitrogen-fixing capacity can be genetically engineered.

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Definitions:

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The biochemical process involving the breakdown and synthesis of fats in the body for energy production and storage.

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Spinal Cord

A long, thin, tubular bundle of nervous tissue and support cells that extends from the brain down the length of the vertebral column, responsible for transmitting nerve signals to and from the brain to the rest of the body.

Cerebellum

A region of the brain that plays an important role in motor control, and may also be involved in some cognitive functions such as attention and language.