When preparing slides to look at mitosis,the tips of onion roots are a good source.This is because the tip of the root is which of the following?

Question

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The apical meristem is the region in the tip of the onion root where cell division and growth occur, and where mitosis is most actively taking place. This makes it the best choice for obtaining cells in various stages of mitosis for observation under the microscope. The other options (vascular tissue, dermal tissue, pericycle, and endodermis) are all different types of plant tissues that are not as directly involved in mitosis as the apical meristem.

When Preparing Slides to Look at Mitosis,the Tips of Onion