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Stomata in plant leaves allow the exchange of gases with the environment. Oxygen passes out and carbon dioxide passes in. Stomata are holes in the leaf's surface layers , mostly on the underside of the leaves.

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Q: Which structure allows the passage of oxygen to the environment?
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Continue Learning about Natural Sciences

Which structure in a plant cell allows the passage of oxygen to the environment?

The "stoma" is found in the outer layer of the leaf(epidemis), it allows the passage of oxygen to the environment. The plural of "stoma" is "stomata".


How is the function and structure of a red blood cell related?

A red blood cell has no nucleus and a biconcave shape. This structure allows it to carry oxygen more efficiently.


How does the structure of hemoglobin help its function?

The structure of hemoglobin, with four protein subunits and heme groups, allows it to bind to and transport oxygen efficiently. The heme groups in each subunit bind to oxygen molecules, enabling hemoglobin to carry oxygen through the bloodstream to tissues and organs. Additionally, the quaternary structure of hemoglobin facilitates cooperative binding of oxygen, meaning that as one oxygen molecule is bound, it increases the affinity of the other subunits for oxygen.


What structure in leaves allows the gaseous reactants and products of photosynthesis to move in and out?

Stomata are the small pores found mainly on the underside of leaves that allow for the exchange of gases like carbon dioxide and oxygen during photosynthesis. These openings can open and close to regulate the passage of gases and water vapor.


Can oxygen pass through pores of dialysis tubing?

Yes, oxygen molecules are small enough to pass through the pores of dialysis tubing. This allows oxygen to diffuse into the dialysis tubing from a surrounding solution or environment.