Which of the following is true about stomata and guard cells? A A guard cell is an open pore in the leaf and it is surrounded by two stomatal cells that open and close the pore B Stomata are pores on the leaves and guard cells are pores on the stem. C The guard cells control the opening and closing of the stomata. D Stomata and guard cells only open at night.
Added by Kyle B.
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Step 1: Stomata are microscopic pore structures found on the underside of leaves. Show more…
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Which of the following statements about the leaf epidermis is false? a. Stomata may occur on either the upper or lower epidermis. b. It is completely covered by a layer of waxy cuticle. c. Stomata may be sunken in stomatal crypts in plants that grow in dry environments. d. Opening and closing of stomata is regulated by turgor pressure within guard cells.
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Which statement about leaf anatomy is not true? a. Stomata are controlled by paired guard cells. b. The cuticle is secreted by the epidermis. c. The veins contain xylem and phloem. d. The cells of the mesophyll are packed together, minimizing air space. e . $\mathrm{C}_{3}$ and $\mathrm{C}_{4}$ plants differ in leaf anatomy.
Stomata $a .$ control the opening of guard cells. $b$. release less water to the environment than do other parts of the epidermis. $c .$ are usually most abundant on the upper epidermis of a leaf. $d$. are covered by a waxy cuticle. $e .$ close when water is being lost at too great a rate.
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