Overall, there is considerable shrinkage that occurs in the aging brain, however the shrinkage is selective. the prefrontal cortex, the and the show profound shrinkage. frontal lobe; cortex parietal; occipital cerebellum; amygdale hippocampus; cerebellum

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