Why are ions important to metabolism? a.) some enzymes turn ions into substrates. b.) some enzymes break down into ions. c.) ions are not important to metabolism. d.) some enzymes require specific ions to work.

Which of the following options describes photosynthesis correctly? question 8 options: a plant uses carbon dioxide and water to make oxygen and nitrogen a plant breaks down sugar to make carbon dioxide. a plant uses sunlight, carbon dioxide, and water to make sugar and oxygen. a plant uses sunlight to break down sugars for digestion into water and oxygen.