Which of the following best describes an enzyme?
Question 1 options:
Enzymes are carbohydrates that provide large amounts of energy to cells.
Enzymes are proteins that serve as high energy reactants in chemical reactions causing them to speed up.
Enzymes store large amounts of energy that cells can use in its chemical reactions if other energy sources are depleted.
Enzymes are proteins that speed up chemical reactions but are neither the reactants or products of those reactions.