Which of the following cells regulate the opening and closing of stomata?

Question

Quizplus · Accepted Answer

Guard cells regulate the opening and closing of stomata. Stomata are tiny pores on the surface of leaves that allow for gas exchange in the plant. When guard cells fill with water, they become turgid and cause the stomata to open. When they lose water, they become flaccid and cause the stomata to close. Companion cells are involved in transporting sugars in the phloem, trichomes are hairs on the surface of leaves that serve various functions, and vessel elements are a type of water-conducting cell found in xylem tissue.

Which of the Following Cells Regulate the Opening and Closing