1.9 Inorganic Ions

    Cards (135)

    • What defines inorganic ions?
      Charged particles without C-H bonds
    • Sodium ions (Na+) maintain water balance and nerve impulse transmission
    • Match the ion with its biological role:
      Calcium (Ca2+) ↔️ Bone formation, muscle contraction
      Magnesium (Mg2+) ↔️ Enzyme cofactor, chlorophyll structure
      Chloride (Cl-) ↔️ Maintains water balance, acid-base balance
    • Inorganic ions are essential for maintaining homeostasis and facilitating metabolic reactions
    • Inorganic ions ensure proper cellular function and homeostasis.

      True
    • Inorganic ions facilitate metabolic reactions in biological systems.

      True
    • Sodium ions help regulate the distribution of water between blood, cells, and tissues
    • Inorganic ions play a role in initiating muscle contractions.

      True
    • What is the biological role of sodium ions (Na+)?
      Water balance, nerve impulse transmission
    • Phosphate ions (PO4^3-) are essential for energy transfer in the form of ATP
    • Sodium ions (Na+) create electrical signals for nerve communication by flowing across cell membranes
    • Sodium ions work together with other ions to maintain homeostasis.

      True
    • Potassium ions are as crucial as sodium ions for physiological processes.
      True
    • Calcium ions are a primary component of bones and teeth
    • What role do calcium ions play in enzyme activity?
      Cofactor for enzymes
    • What is the primary biological role of calcium ions (Ca2+)?
      Bone formation, muscle contraction, blood clotting
    • Inorganic ions are charged particles that do not contain carbon-hydrogen bonds
    • Match the inorganic ion with its biological role:
      Sodium (Na+) ↔️ Maintains water balance
      Potassium (K+) ↔️ Nerve impulse transmission
      Calcium (Ca2+) ↔️ Bone formation
      Magnesium (Mg2+) ↔️ Enzyme cofactor
      Chloride (Cl-) ↔️ Acid-base balance
      Phosphate (PO4^3-) ↔️ Energy transfer
    • What is the biological role of calcium ions in blood clotting?
      Necessary for coagulation
    • Chloride ions maintain water balance and acid-base balance
    • What are the two primary functions of sodium ions in the body?
      Water balance and nerve impulse transmission
    • Sodium ion flow is essential for creating electrical signals in nerve cells.
      True
    • Potassium ions regulate the distribution of water between blood, cells, and tissues
    • Match the function of calcium ions with its mechanism:
      Bone Formation ↔️ Primary component of bones
      Muscle Contraction ↔️ Binds to regulatory proteins
      Blood Clotting ↔️ Necessary for coagulation cascade
      Enzyme Activity ↔️ Acts as a cofactor
    • Chloride ions help maintain a stable pH in body fluids
    • What is the name of the active transport mechanism that exchanges 3 Na+ ions out of the cell for 2 K+ ions into the cell?
      Sodium-potassium pump
    • Passive transport requires energy input from the cell.
      False
    • The sodium-potassium pump exchanges 3 Na+ ions out of the cell for 2 K+ ions into the cell
    • Passive transport involves the movement of ions without energy input down their concentration gradient
    • Match the transport mechanism with its description:
      Passive Transport ↔️ Ions move down their concentration gradient without energy input
      Active Transport ↔️ Ions are pumped against their concentration gradient, requiring ATP
    • Inorganic ion transport is essential for processes like nerve impulse transmission.

      True
    • Inorganic ions play a crucial role in maintaining homeostasis.
      True
    • Magnesium ions are essential for chlorophyll structure.

      True
    • Sodium ions regulate water balance through the process of osmosis
    • Potassium ions, like sodium ions, help regulate water balance
    • Calcium ions are a primary component of bones and teeth
    • What is calcium necessary for in blood clotting?
      Blood coagulation
    • Calcium plays a more structural and regulatory role compared to sodium and potassium in bone and muscle functions.
      True
    • Calcium ions initiate muscle contraction by binding to regulatory proteins
    • Phosphate ions are part of the structural backbone of DNA
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