The principal fluid within a cell is called the cytoplasm, and it contains ions and other building blocks for cell processes.
cell culture
The Nucleus is like a school principal because it controls what goes on inside of the cell. The nucleus is the brain, and the cell is the body, in a sense or The Nucleus is the school Principal because its the brain of the cell and controls every thing that goes on in the cell
cell membrance
Glucose and Glutamine .
waste, nutrient, water
Cell Culture
Not if they are not on college property ! Outside the college the principal has no jurisdiction !
Passive transport is not an example of essential nutrients for the cell.
One of the ways that a cell compares to a school is that the nucleus is like the principal.
Yes
The cell structures that break down nutrient molecules and old cell parts are called lysosomes. These organelles contain enzymes that aid in the digestion of various substances within the cell.