Which kingdom(s) include organisms that are autotrophic or heterotrophic?
plantae
animalia
archaebacteria and animalia
protista and eubacteria

The correct answer would be protista and eubacteria.

Kingdom protista consists of variety of eukaryotic organisms which cannot be placed in other kingdoms such as plant, animals and fungi. They can be unicellular or multicellular. Similarly, they can be autotrophic or heterotrophic.

Eubacteria is a domain which mainly includes prokaryotic bacteria cells. They are unicellular organisms.

Similar to protists, they can also be autotrophic or heterotrophic.

explanation:

idk

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