A scientist discovers a new chemical in the leaves of a rare tropical plant.When trying to determine the role of the chemical,the scientist determined that it is not a structural part of the plant's cells or a pigment that contributes to the color of the plant's leaves.She was able to learn that the chemical sped up a particular chemical reaction involving the plant's metabolism.Based on this information,the new chemical is a (an)

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The fact that the chemical is able to speed up a particular chemical reaction involving the plant's metabolism indicates that it is likely an enzyme, which is a type of protein molecule that acts as a catalyst to speed up chemical reactions. A solution is a mixture of substances, and sphincter and ileum are terms that refer to parts of the digestive system and are not related to chemical reactions in plants.

A Scientist Discovers a New Chemical in the Leaves of a Rare