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Nastasia [14]
3 years ago
9

______________ are specialized plant epidermal cells that lie on either side of stomata. These cells regulate the opening and cl

osing of the stomata they surround and also regulate gas exchange and water loss in the plant tissue.
A)
Xylem


B)
Phloem


C)
Guard cells


D)
Tracheid cells
Biology
2 answers:
polet [3.4K]3 years ago
7 0

Answer:

Guard cells

Explanation:

  • The guard cells surround the stomata and help to control the opening and closing of stomata thus, affecting the rate of transpiration.
  • The guard cells become swollen as they acquire potassium ions and thus, the stomatal opening becomes large. This leads to a drop in the water potential of the guard cell thus allowing the water to move in.
  • When these guard cells lose water they become flaccid and the stomatal opening is closed.
  • Thus, the guard cells control the opening and closing of the stomata to regulate gas and water exchange.
tankabanditka [31]3 years ago
6 0
Gaurd cells is right answer that is option C .
Hope it helps.
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