Question

the diagram below illustrates a biochemical process that occurs in organisms. the substance labeled catalyst also is known by what other name?

antibody

enzyme

ion

inorganic compound

Explanation:

In biochemical processes within organisms, catalysts that speed up reactions are typically enzymes. Antibodies fight infections, ions are charged particles, and inorganic compounds don't fit as biological catalysts here. So the catalyst in organisms is an enzyme.

Answer:

B. enzyme