stomata

Stoma

In botany , a stoma (also stomate ; plural stomata ) is a tiny opening or pore , found mostly on the...otassium pumps. Dicotyledons usually have more stomata on the lower epidermis than the upper epidermis. As these leaves are held horizontally, upper epide...

Photorespiration

...hen oxygen levels are high; for example, when the stomata (tiny pores on the underside of the leaf ) are closed to prevent water loss. The reaction is: RuBP + rubisco + O 2 → phosphoglycolate The glycolate is then sent to peroxisomes . Photorespiration is a wasteful process because no PGAL ...

Osmoregulation

...e water loss, such as needle-shaped leaves, sunken stomata and thick, waxy cuticles as in the pine. The sand-dune marran grass has rolled leaves with stomata on the inner surface. Osmoregulation in protoctists and animals Amoeba makes us of a contracti...

Leaf

.... The epidermis is covered with pores called stomata (sing., stoma ), part of a stoma complex con... air and the interior of the leaf. Typically, the stomata are more numerous over the abaxial (lower) epidermis than the (adaxial) upper epidermis. Trichom...

Crassulacean acid metabolism

...e to protect themselves from the environment. The stomata may be sunken into pits. Some xerophytes shed the...g the day for sugars. These plants can close their stomata during the day. These plants close their stomata (tiny pores used for gas exchange) during the ...

Crassulacean acid metabolism

...e to protect themselves from the environment. The stomata may be sunken into pits. Some xerophytes shed the...g the day for sugars. These plants can close their stomata during the day. These plants close their stomata (tiny pores used for gas exchange) during the ...