Biology: Active Transport
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Questions and Answers

What is the primary function of pumps in active transport?

  • To maintain homeostasis by separating molecules (correct)
  • To break down ATP into ADP
  • To move molecules from high to low concentration
  • To synthesize ATP from Pi molecules

    • What is the net result of ATP breakdown into ADP?

  • Pi molecules are synthesized
  • Energy is stored
  • ADP is converted to ATP
  • Energy is released (correct)

    • What is the primary function of the Na+/K+ pump in animal cells?

  • To regulate pH levels
  • To regulate the concentration of oxygen
  • To regulate temperature
  • To regulate the concentrations of Sodium and Potassium (correct)

    • What is the process of taking liquids or large molecules into the cell called?

    <p>Endocytosis</p> Signup and view all the answers

    What happens to the vesicle formed during endocytosis?

    <p>It fuses with a lysosome or similar substance</p> Signup and view all the answers

    What is the process of removing or secreting materials from the cell called?

    <p>Exocytosis</p> Signup and view all the answers

    ATP is formed when ADP is broken down into Pi.

    <p>False</p> Signup and view all the answers

    The Na+/K+ pump is found in plant cells.

    <p>False</p> Signup and view all the answers

    Endocytosis is the process of removing materials from the cell.

    <p>False</p> Signup and view all the answers

    Active transport requires energy from the food we eat.

    <p>True</p> Signup and view all the answers

    Pumps in active transport move molecules from areas of high concentration to areas of low concentration.

    <p>False</p> Signup and view all the answers

    Exocytosis is the process of taking liquids or large molecules into the cell.

    <p>False</p> Signup and view all the answers

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