How many pairs of sister chromatids are in tetrapods of a horse?

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

During the process of blank and molecules such as a glucose must use a protein channel to cross through a cell membrane

What class of levers is shown in this image?