Why is nitrogen important?

Nitrogen is a basic ingredient in amino acids that make up all proteins

How do we obtain the nitrogen we need for proteins, ATP and nucleic acids?

Most of the nitrogen used by living things is taken from the atmosphere by certain bacteria in nitrogen fixation

What is denitrification? What organism is responsible for this process?

The process of releasing nitrogen back into the atmosphere. Denitrifying bacteria.

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Ecology Unit (6)

Question	Answer
Why is nitrogen important?	Nitrogen is a basic ingredient in amino acids that make up all proteins
What is the usable form of nitrogen?	Ammonia
How do we obtain the nitrogen we need for proteins, ATP and nucleic acids?	Most of the nitrogen used by living things is taken from the atmosphere by certain bacteria in nitrogen fixation
What is denitrification? What organism is responsible for this process?	The process of releasing nitrogen back into the atmosphere. Denitrifying bacteria.