One of the important tasks of the nitrogen cycle is to change atmospheric nitrogen (N2) to the form of nitrogen that plants can use. What is the usable form of nitrogen for plants?

Nitrate.

Explanation:

Nitrogen Assimilation in plants is the process of plants absorbing nitrogen from the soil in the form of nitrate (NO3-) and ammonium (NH4+).   This nitrate is usually the predominant form of the available nitrogen that is absorbed by the plant.  

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answer: glucoamylase presented optimum activity at temperature of 55â°c, and, in the glycosidic bonds from the non-reducing ends of starch, resulting in the production of glucose. source and type of fermentation can affect the enzyme's properties

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