What is the role of a receptor in homeostasis? a. A structure that monitors external conditions
b. A structure that monitors internal conditions
c. A structure that makes an internal change to avoid damage internally
d. A structure that alerts the brain to make a change

The table lists the observations students made about four specimens under a microscope. based on these observations, what specimens did the students examine? animal plant virus prokaryote cell membrane present ribosomes present lysosomes present nuclear membrane present cell wall present ribosomes present nuclear membrane absent cell wall present ribosomes present nucleus present large vacuole present reproduces inside of a cell nucleus absent rna present 2019 edmentum all rights reserved intl