Why must some hormones bind to a membrane receptor on a target cell's membrane in order to activate it? to stimulate endocytosis to internalize the hormone because they cannot cross cell membranes because they are not water-soluble for activation by ATP

The cluster of developing cells from conception until birth is called an

Match each term to its best definition? sedimentary depositional enviornment

Which best describes this behavior? it is beneficial only to the males that do not fertilize eggs. it is beneficial only to the female workers that are not fertilized. it is beneficial to each one of the individual colony members. it is beneficial to the whole species, but not to all of the individual members.