The three characteristics of the cellular theory are:
all cells came from other cells
all living things are made of cell
the basic unit of structure and function is a cell
lol, that's what we're learning in science.
They basically do most of the work in the cells and are required for the structure, function, and regulation of the body's tissues and organs. (made up of thousands of smaller units called amino acids)
#1 water
#2 protein
#3 carbohydrates
#4 animals
