20. Development

A region of dividing cells in a plant is called a __________.

During normal development, Acacia koa plants first produce compound juvenile leaves and later produce adult sickle-shaped leaves. Which of the following statements is correct?

The homeotic gene GLABRA-2 controls cellular differentiation in the root epidermis of Arabidopsis. Which of the following statements is/are correct?

In a young cell just produced by mitosis, the cellulose microfibrils are arranged in horizontal rings. Which of the following accurately explains how the cell will grow longer?

Which example below is the site of primary growth that results in the plant's increasing in height?