What are the main two factors needed to calculate the energy content of the food

 It's a very well-insulated box filled with oxygen and surrounded by water. Once the food is sealed inside, it's ignited electrically and burns quickly to ashes.

Summed up it's oxygen and water.

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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