The diagram shows a plant stem.
Apical meristem
A
B
C
Where are the youngest cells in this plant found, and why?
A. Section A, because cell division takes place in the tip of the stem
B. Section B, because cell differentiation takes place below the tip of
the stem
C. Section C, because cell enlargement takes place at the base of the
stem
D. All three sections, because the formation of cells takes place in all
parts of the stem