Question

complete the sentence. an __________ is a ________ that ________ the rate of a chemical reaction by ________ the __________ needed for the reaction to proceed. speeds up protein lowering enzyme activation energy

Explanation:

Enzymes are proteins that act as biological catalysts. They increase the rate of chemical reactions by reducing the activation energy required for the reaction to occur.

Answer:

An enzyme is a protein that speeds up the rate of a chemical reaction by lowering the activation energy needed for the reaction to proceed.