Question

Which part of the cell theory is the best explained by studying the ability of stem cells to divide and form additional cells?

A. All cells come from pre-existing cells.
B. Cells are the basic unit of structure and function of all living things.
C. All organisms are composed of cells.

Answer 1

The part of the cell theory that is best explained by studying the ability of stem cells to divide and form additional cells is:

B. Cells are the basic unit of structure and function of all living things.

Answer 2

The ability of stem cells to divide and form additional cells best explains part A of the cell theory, which states that all cells come from pre-existing cells. This is because when stem cells divide, they give rise to new cells, following the principle that all cells come from pre-existing cells.