Please help #20,21, 24 and 25 except 19 19. What are three minerals needed by th
ID: 695210 • Letter: P
Question
Please help #20,21, 24 and 25 except 19
19. What are three minerals needed by the human body? Iron, Sodium, Magnesium What food sources can we get them from and what purpose do they serve in the body Iron found in meat to build red blood cells, Sodium from salt for our nervous system, and Magnesium found in nuts for our bodies biochemical function. 20. Are these minerals found as pure elements or as lons in food sources? 21. What process was used to extract the calcium in the form of calcium phosphate from milk? What type of reaction occurred? Give a possible balanced chemical equation for the reaction 22. How does the presence of acid in our stomachs when we drink milk affect our ability to absorb calcium ions in milk? 23. What vitamin is required to absorb calcium from our diet? 24. Mushrooms are able to produce vitamin D from ergosterol. Is an input of energy required for this process? If so, what is the source of this energy? 25. What type of process requires an input of energy?Explanation / Answer
20): the food we intake contains complex compounds in which the ions of k,fe ,and mg are present.their intake in pure form is harmful.
21);in milk calcium is present in the form of colloidal Calcium phosphate.
23): vitamin D is needed to absorb calcium.