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Question

How are the intracellular levels of ions maintained higher than extracellular levels in animal cells?

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Solution

Active transport:
  • At any given time the concentration of the minerals inside the plant cells will be more than the outside.
  • The uptake of these minerals by the cells are through the process of active transport.
  • Special membrane transport proteins called ion pumps utilise ATP molecules to transport mineral ions against the concentration gradient

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