Biochemistry

• what are calcium ions necessary for?

  nerve impulse transmission, muscle contraction
• What are sodium ions necessary for?

  nerve impulse transmission, kidney function
• what are potassium ions necessary for?

  nerve impulse transmission, stomata opening
• what are hydrogen ions necessary for?

  catalysis of reactions, pH determination
• What are ammonium ions necessary for?

  production of nitrate ions by bacteria
• what are nitrate ions necessary for?

  nitrogen supply to plants for amino acid and protein formation
• what are hydrogen carbonate ions necessary for?

  maintenance of blood pH
• what are chlorine ions necessary for?

  balnce of positive charge of sodium and potassium ions in cells
• what are phosphate ions necessary for?

  cell membrane formation, nucleic acid and ATP formation, bone formation
• what are hydroxide ions necessary for?

  catalysis of reactions, pH determination