The of the brain is the location of our conscious mind. a. diencephalon b. cerebral cortex c. cerebellum d. brain stem

Which kingdom includes some organisms that have no nucleus and can live in an environment with an extremely high salt content

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.

Which of the following is the earliest era of earth's geologic time scale? cenozoic mesozoic precambrian paleozoic