PLEASE HELP!!
What type of protein is NOT used in an action potential?

Which of the following matches the organisms described with the correct domain? a. bacteria--unicellular, eukaryotic organisms with cell walls that do not contain peptidoglycanb. archaea--multicellular, eukaryotic organisms that do not have cell wallsc. eukarya--single-celled and multicellular organisms, with a defined nucleus and a variety of nutritional sourcesd. bacteria--unicellular, eukaryotic organisms that always lack cell walls

What is the number of phosphates in an atp molecule

How energy flows through each level in this energy pyramid. is all the matter and energy from one level transferred to the next level?