Answered

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When guard cells are full, they bulge. This increases the
size of the gap between them and opens the hole in the
leaf.
Guard cell
Water and
oxygen
Carbon
dioxide
Guard cell
Which object is the best model of a guard cell?

Sagot :

bpurnell
When the guard cell is filled with water and it becomes turgid, the outer wall balloons outward, drawing the inner wall with it and causing the stomate to enlarge.

Guard cells are the plant cells that are specialized to perform the gaseous exchange in the leaves. It can be best represented by the model of the water balloon.

What are guard cells?

Guard cells are the part of the plant leaves and stem that are essential for the control and exchange of the water, oxygen, and carbon dioxide molecules from the cell environment to the surroundings.

It regulates the closing and the opening of the stomata that become curved when open to make a hole in the middle. When water is present inside the cells they swell making the cell look bulgy like the water in a balloon.

Therefore, the water balloon model best explains the guard cells.

Learn more about guard cells here:

https://brainly.com/question/23460800

#SPJ2

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