Which statement differentiates between prokaryotic cells and eukaryotic cells?

The correct answer is C. (The 3rd one)

Explanation:

Even though Eukaryotic cells contains a nucleus , prokaryotic cells do not. They both contain DNA and are two basic types of cells.

enzyme active site and substrate specificity

enzymes bind with chemical reactants called substrates. there may be one or more substrates for each type of enzyme, depending on the particular chemical reaction. in some reactions, a single-reactant substrate is broken down into multiple products