Cells are the basic unit of structure and function in organisms.
Needless to say, organisms can’t be a thing if cells didn’t exist.
What kind of force? There are lots of forces acting on the car at this point.
i believe a stem cell is the only type of cell that can grow into any cell. meaning it can go anywhere it may be needed.
I’m not sure if this helps much, but try thinking of an Aloe Vera plant. When you cut into it, you expose the the sticky center. The part you cut has a “sticky end.” So, think of a knife as the restriction enzyme, and the plant as the DNA molecule that you’re cutting. Hope this helps.
It's the presence or absence of a surrounding membrane
