All of the following are important properties of prokaryotes except

All of the following are important properties of prokaryotes except

a. prokaryotes form the base of many food chains, especially those found within the open ocean.
b. prokaryotes are often decomposers and enable recycling of nutrients.
c. prokaryotes convert nitrogen-containing molecules into forms that can’t be used by other organisms.
d. prokaryotes are used to make many products for humans.