a. In not more than five (5) lines, explain why minerals and vitamins are important nutritional substances. Give 5

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a. In not more than five (5) lines, explain why minerals and vitamins are important nutritional substances. Give 5 examples to support your answer.
b. Vitamins have historically been classified into two major groups. In not more than five (5) lines, explain the biochemical basis of this classification.
c. Using a named vitamin of your choice, show how vitamin deficiency leads to a diseased state. Explain in not more than ten (10) lines.
d. Name five (5) vitamins and give one (1) common cause of deficiency for each. Your answer must refer to biochemical pathways in which these vitamins are required.