Briefly describe the main biological functions of calcium and phosphorus？（10 points）
Briefly describe the main biological functions of calcium and phosphorus？（10 points）
发布时间：2025-03-22 22:16:48
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答案：【计分规则】: Calcium has the following biological functions in animals.(1)It participates in the composition of bones and teeth as a structural component of the animal body, and plays a supporting and protective role; （1 point）(2) It controls the release of neurotransmitters through calcium and regulates nerve excitability ; （1 point）(3) Through nerves-body fluid regulation, change cell membrane permeability; （1 point）(4) Activate the activity of multiple enzymes; （1 point）(5) Promote the secretion of insulin, catecholamine, adrenal cortisol, and even saliva. Calcium also has its own nutritional regulation function. （1 point）Among all mineral elements, phosphorus has the most biological functions. (1) It participates in the structure of bones and teeth together with calcium to ensure the integrity of bones and teeth; （1 point）(2) It participates in energy metabolism in the body, which is a component of ATP and creatine phosphate; （1 point）(3) Promote the absorption of nutrients; （1 point）(4) Ensure the integrity of biofilms; （1 point）(5) As a structural component of important life genetic material DNA, RNA and some enzymes, phosphorus participates in many life activities. （1 point）
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