Question

Write two fuctions of guard cells ????​

Answer 1

Answer:

exchange of gas like co2 and oxygen

transportation and Respreation

Answer 2

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Guard cell function

They help to regulate the rate of transpiration by opening and closing the stomata. Light is the main trigger for the opening or closing. ... The phototropins trigger many responses such as phototropism, chloroplast movement and leaf expansion as well as stomatal opening.