Answer:
Phytochemicals
Explanation:
Phytochemicals are chemical compounds produced by plants, generally to help them thrive or thwart competitors, predators, or pathogens. The name comes from Greek φυτόν (phyton), meaning 'plant'. Some phytochemicals have been used as poisons and others as traditional medicine.
Explanation:
Carbohydrates contain 4 kcal per gram.
Proteins contain 4 kcal per gram.
Vitamins work with enzymes to initiate chemical reactions within cells. Vitamins plays an indirect role in catalysis, where in the beginning of the chemical reaction speeds up with the help of enzymes, in order to participate in catalytic reactions.