Provide your best answer for the following question. Give ONLY the answer, no other words or explanation.
For example:

Answer: <most likely answer, as short as possible; not a complete sentence, just the answer!>.

The question is: A student was taking notes while the teacher was discussing cells. Which of these is a statement that the teacher most likely made?
The shape of a cell depends upon its function.
Cells are the basic unit of life.