Respuesta :

davy94

Answer:

Catalysts lower the activation energy for reactions. The lower the activation energy for a reaction, the faster the rate. Thus enzymes speed up reactions by lowering activation energy. Many enzymes change shape when substrates bind.

Explanation:

Answer:

Catalysts

Explanation:

Enzymes are biological catalysts. Catalysts lower the activation energy for reactioms. The lower the activation energy for a reaction, the faster the rate. Thus enzymes speed up reactions by lowering activation energy