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Biology OCR A > Biology 2.1.2 Inorganic Ions > Flashcards

Biology 2.1.2 Inorganic Ions Flashcards

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1
Q

Calcium ions
Ca2+

A
  • Nerve impulse transmission
  • Muscle contraction
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2
Q

Sodium ions
Na+

A
  • Nerve impule transmission
  • Kidney function
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3
Q

Potassium ions
K+

A
  • Nerve impulse transmission
  • Stomata opening
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4
Q

Hydrogen ions
H+

A
  • Catalysis of reactions
  • pH determination
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5
Q

Ammonium ions

NH4+

A
  • Production of nitrate ions by bacteria
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6
Q

Nitrate ions
NO3-

A
  • Nitrogen supply for plants for amino acid and protein formation
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7
Q

Chloride ions
Cl-

A
  • Balance positive charge of sodium and potassium ions in cells
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8
Q

Hydrogen carbonate ions
HCO3-

A
  • Maintenance of blood pH
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9
Q

Phosphate ions
PO4 3-

A
  • Cell membrane formation
  • Nucleic acid and ATP formation
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10
Q

Hydroxide ions
OH-

A
  • Catalysis of reactions
  • pH determination
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Biology OCR A (5 decks)

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