Illinois PAS Crop Specialist Practice Test

Question: 1 / 400

What principle nutrient element is primarily used for converting glucose to ATP?

Potassium

Nitrogen

Phosphorus

Phosphorus is the correct choice because it plays a crucial role in energy transfer within cells, particularly in the form of adenosine triphosphate (ATP). ATP is the primary energy carrier in all living organisms, and its formation relies heavily on the presence of phosphate groups, which contain phosphorus. During cellular respiration, glucose is broken down, and the energy released from this process is used to convert adenosine diphosphate (ADP) into ATP through the addition of a phosphate group.

Phosphorus is also a vital component of nucleic acids and phospholipids, which are crucial for cell structure and function. Therefore, its role in the biosynthesis and regeneration of ATP is fundamental to energy metabolism in plants, animals, and microorganisms alike, making it essential for any processes that require energy derived from glucose.

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Calcium

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