When a Product Binds to an Allosteric Enzyme to Slow

Multiple Choice

When a product binds to an allosteric enzyme to slow its reaction,it does which of the following?

A) binds to the active site, blocking the binding of substrate
B) binds to a site other than the active site, changing the shape of the active site and decreasing the binding of substrate
C) binds to the substrate, blocking its binding of the active site
D) binds to the product production site, stopping the production of product