You are examining a microscope slide of an onion root tip looking for samples of cells in the middle of mitosis and cell division. You see lots of long, cylindrical cells all looking more or less alike, but no evidence of cell division. Why do you not see cell division?
A) You are looking at the region of elongation.
B) You are looking at the apical meristem.
C) You are looking at trichomes.
D) You are looking at root hairs, which are known to get longer but do not divide.

Question

Quizplus · Accepted Answer

The region of elongation in plants, including the onion root tip, is where cells have already undergone division and are now increasing in size. This explains the observation of long, cylindrical cells without visible signs of cell division.

You Are Examining a Microscope Slide of an Onion Root