Micronutrients usually assist in the process of energy metabolism as cofactors or components of enzymes. The correct option is A.
Micronutrients, also known as minerals and vitamins are essential for healthy development, preventative medicine, and overall well-being.
Micronutrients, with the sole exception of vitamin D, are not generated by the body and must be obtained through diet.
An amount of vitamins and micronutrients, in particular, are feedstocks and cofactors in certain metabolic pathways.
Macronutrients provide energy to the body, aid in disease prevention, and allow the body to operate properly.
Thus, the correct option is A.
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