Active Transport

• What is active transport?

  Movement of molecules from low to high concentration
• What is required for active transport to occur?

  Energy from the cell
• How does active transport differ from passive transport?

  Active transport requires energy, passive transport does not
• Which of the following is true about active transport?

  It requires energy from ATP
• What is the role of a carrier protein in active transport?

  To help transport molecules against their concentration gradient
• Which molecule provides the energy needed for active transport?

  ATP
• Why is active transport important for cells?

  It allows them to move molecules against their concentration gradient
• In which situation would active transport be necessary?

  When moving ions against their concentration gradient
• What happens to the cell if active transport is not functioning properly?

  The cell would not be able to maintain its proper concentration of ions