Final answer:
The apex area can be easily located by placing a comb flat on the cells covered by a cuticle at the outside edge of the section.
Step-by-step explanation:
The apex area can be easily located by placing a comb flat on the cells covered by a cuticle at the outside edge of the section. These cells are found at the topmost part of the stem. By placing the comb on these cells, you can identify the apex area.