The parts of a cell are so dependent on each other that if just one part does not work right, the entire cell may not function properly. So what is this called.

it's anything that aren't producers and consumers.

explanation:

you've got to be clear on what "this" is

during the process of dna replication, brdu can replace thymidine and incorporate into the newly synthesized dna, cell proliferation thus can be reflected in the extent of brdu incorporation.

her affection for her parents makes her an especially sympathetic character.

it is because according to the process , scientific inquiry is a process with many steps because each step occurs to the scientist and if you just skip a step there would be no steps to scientific inquiry.