Active Transport Mechanisms
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Questions and Answers

What is the main difference between primary and secondary active transport?

  • The presence of a transport protein
  • The concentration gradient of the solute
  • The type of energy used (correct)
  • The direction of transport

    • Which type of active transport directly uses ATP energy?

  • Passive transport
  • Secondary active transport
  • Facilitated diffusion
  • Primary active transport (correct)

    • What is the role of ATP in primary active transport?

  • To regulate the concentration gradient of the solute
  • To break down the solute into smaller molecules
  • To provide energy for the transport of molecules (correct)
  • To synthesize transport proteins

    • What is the purpose of secondary active transport?

    <p>To move molecules against their concentration gradient</p> Signup and view all the answers

    What type of transport is used to transport molecules against their concentration gradient?

    <p>Active transport</p> Signup and view all the answers

    Study Notes

    Active Transport

    • The main difference between primary and secondary active transport is the direct use of ATP energy: primary active transport directly uses ATP energy, whereas secondary active transport uses the energy generated by the primary active transport.

    Primary Active Transport

    • Primary active transport directly uses ATP energy to transport molecules across cell membranes.

    Role of ATP

    • ATP plays a crucial role in primary active transport, providing the energy required to transport molecules against their concentration gradient.

    Secondary Active Transport

    • Secondary active transport uses the energy generated by primary active transport to transport molecules across cell membranes.

    Purpose of Secondary Active Transport

    • The purpose of secondary active transport is to transport molecules across cell membranes, often using the energy generated by primary active transport.

    Transport Against Concentration Gradient

    • Active transport is the type of transport used to transport molecules against their concentration gradient.

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    Description

    Quiz about primary and secondary active transport, focusing on the differences between them and the role of ATP in these processes.

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