Living organisms are classified into three domains and six kingdoms based on their characteristics. Which characteristics could be used to classify organisms in the plant kingdom? Choose ALL that apply. A) autotrophic B) eukaryotic C) heterotrophic D) multicellular E) prokaryotic

What is the significance of the protein-lined pits? a. protein attracts other proteins needed for atp synthesis within the cell. b. protein-lined pits are able to transport one molecule at a time down the concentration gradient within the cell. c. the polarity of proteins allows other polar molecules to attach and be transported in the cell by transport channels. d. receptors within the pits allow ligands to fuse and be transported into the cell by endocytosis.