Question

fill in the blank question are small chemical components, usually inorganic ions, such as zn²⁺, cu²⁺, and mn²⁺, that are often found in the active site of an enzyme, participating directly in catalysis.

Explanation:

Cofactors are small chemical components, often inorganic ions like zinc, copper, and manganese ions, that are found in an enzyme's active - site and participate directly in catalysis.

Answer:

Cofactors