Choose the Correct Answer from the List Below

question 44

Multiple Choice

Choose the correct answer from the list below. Not all of the answers will be used.
-_______________ is the original nitrogen source for the nitrogen found in amino acids.

• A)atmospheric nitrogen (N₂)
• B)3-phosphoglycerate
• C)cumulative
• D)nitrogen fixation
• E)B₁₂
• F)histidine
• G)tetrahydrofolate
• H)committed
• I)pyridoxal phosphate
• J)enzyme multiplicity
• K)MoFe cofactor
• L)ammonia (NH₃)

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Definitions:

Soil Formation

The process by which weathering of rock and organic interactions lead to the development of soil layers or horizons, essential for plant growth.

Lichens

Lichens are symbiotic organisms composed of fungi and either algae or cyanobacteria, known for their ability to grow on and weather rocks and other surfaces.

Plant Diversity

The variety and variability of plant species within a specific region, ecosystem, or the planet as a whole.

Plantation Forestry

The practice of growing trees in a managed plot for commercial timber or pulp, often involving monocultures of a single species.