Nitrogen Cycle and Protein Metabolism

These flashcards cover key concepts from the nitrogen cycle and its relation to protein metabolism.

The process of converting atmospheric N₂ to NH₃ is called __.

Nitrogen fixation

__ are organisms that can fix atmospheric nitrogen into a usable form.

Diazotrophs

During __, nitrites (NO₂) are converted into nitrates (NO₃).

Nitrification

Ammonification converts organic nitrogen into __.

NH₄⁺.

The major biological importance of nitrogen is related to its role in and .

amino acids and nucleotides.

Nitrifying bacteria include Nitrosomonas which converts ammonia (NH₃) to __.

nitrite (NO₂).

are essential for the biosynthesis of nucleic acids and proteins.

Nitrogen compounds.

The significance of the nitrogen cycle includes enriching the soil with __ required for cultivation.

nutrients.

Plants absorb nitrogen compounds from the soil through their __.

roots.

The central dogma of molecular biology involves the processes of __, __, and __.

DNA replication, transcription, and translation.