Carbohydrates, proteins, and lipids are considered select one:
a. micronutrients
b. macronutrients
c. antioxidants
d. free radicals

one example of a chemical in food that is not a nutrient is
select one:
a. fiber
b. vitamin c
c. starch
d. folate

Macronutrients are nutrients that provide calories or energy. Nutrients are substances needed for growth, metabolism, and for other body functions. Since “macro” means large, macronutrients are nutrients needed in large amounts. There are three macronutrients:CarbohydrateProteinFatso its not  B

There are three primary types of antioxidants found in nature. These include phytochemicals, vitamins, and enzymes. 

So not C.

The three micronutrients are vitamins, minerals, and water.

So not A.

And that leaves you with D.(D is the correct answer for num.1)

Amutation is basically the change in the gene, caused by alteration of single based units in the dna, or the genes or chromosomes were rearranged in the dna