Final answer:
The subject of this question is Biology, and the student is asking for an example of mitosis at work. The answer explains that plant root tips contain a zone of actively dividing cells through mitosis.
Step-by-step explanation:
The subject of this question is Biology. The student is asking for an example of mitosis at work, and the given information provides several examples of mitotic activity in plant root tips. The root tip contains a meristem, which is a zone of actively dividing cells through mitosis. This process allows the root to grow in length and perform functions such as absorption of water and minerals.