Question

question 3
1 pts
even when catalysts and energy are available, which of the following may also require for a reaction to occur?
cofactor
hydrogen
oxygen
carbon

Explanation:

Cofactors are non - protein chemical compounds that are required for the protein's biological activity. They can assist enzymes (which are catalysts) in facilitating chemical reactions. Hydrogen, oxygen, and carbon are elements. While they can be part of reactants or products in a reaction, they are not something that "may also be required" in the same sense as a cofactor when catalysts (like enzymes) and energy are already considered. For example, in many enzymatic reactions, a cofactor (such as a metal ion or a coenzyme) is necessary for the enzyme to function properly even if the enzyme (catalyst) and activation energy (provided in the form of heat etc.) are available.

Answer:

cofactor