When water is lost through transpiration from | vedclass

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(A) Transpiration is the process of loss of water in the form of water vapor from the aerial parts of the plant, primarily the leaves. When water is l

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The water potential of the cells decreases.

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(A) Transpiration is the process of loss of water in the form of water vapor from the aerial parts of the plant, primarily the leaves. When water is lost from the leaf cells, the amount of free water molecules in the cells decreases. Water potential $(\Psi_w)$ is a measure of the potential energy of water in a system compared to pure water. As the water content decreases, the solute concentration effectively increases, leading to a decrease in the water potential of the cells. This decrease in water potential creates a gradient that pulls water from the xylem into the leaf cells to replace the lost water.

When water is lost through transpiration from the leaves, what happens to the water potential of the leaf cells?

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