Phrases with «guard cells»

Guard cells are specialized cells found in the leaves of plants. They control the opening and closing of tiny pores called stomata, which are responsible for gas exchange and regulating water loss. The guard cells act like doors, opening and closing to let in carbon dioxide for photosynthesis and to release oxygen and water vapor. Full definition

Sentences with «guard cells»

  • In guarding the cell against genetic damage, the p53 machinery functions both in the nucleus of the cell and in the cell's gel - like cytosol. (stjude.org)
  • «We are also able to directly see that environmental stress causes an increase in the ABA concentration in the stomatal guard cells that surround each stomatal pore. (sciencedaily.com)
  • If scientists could find a way to guard these cells from this type of damage, they might be able to help prevent or slow down Alzheimer's disease, Parkinson's disease and other neurodegenerative conditions. (sciencedaily.com)
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