Biology

A plant does not use potassium for a building material or energy source, but it stops doing photosynthesis and dies if it runs out of potassium. Why?

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  1. Plants require the right balance of macro and micro nutrients (macro=large amounts, micro= trace amounts) to assist them in growth, this balance is specific to different plant species.

    Potassium is an example of a macronutrients. One use of potassium is that it is the nutrient required for the stomata of leaves to open or close. Stomata are take up CO2 from the environment - a vital component to photosynthesis, therefore if stomata are closed - which occurs when there's not enough potassium, photosynthesis cannot take place properly and the plant dies.

    I hope that is good enough, learning about it atm so was good to revise! haha

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