Integral Transmembrane Proteins Quiz
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Questions and Answers

Which type of protein creates hydrophilic holes in cell membranes?

  • Glycoproteins
  • Peripheral proteins
  • Carrier proteins
  • Channel proteins (correct)
  • Which type of protein consumes energy to transport substances against the concentration gradient?

  • Channel proteins
  • Integral proteins
  • Peripheral proteins
  • Carrier proteins (correct)
  • Which type of protein forms hydrophilic pores through the membrane?

  • Carrier proteins
  • Glycoproteins
  • Integral proteins
  • Channel proteins (correct)
  • Which type of protein binds to target chemicals on one side of the membrane and alters their conformation?

    <p>Carrier proteins</p> Signup and view all the answers

    Which type of protein transports chemicals across the membrane both down and up the concentration gradient?

    <p>Carrier proteins</p> Signup and view all the answers

    Which type of protein only transports ions and molecules down the concentration gradient?

    <p>Channel proteins</p> Signup and view all the answers

    Which type of protein flips between two conformations during the process of transporting molecules?

    <p>Carrier proteins</p> Signup and view all the answers

    Which type of protein remains fixed at all times and does not change conformation during transport?

    <p>Channel proteins</p> Signup and view all the answers

    Which type of protein allows the target molecules or ions to pass through the membrane by diffusion without consuming any energy?

    <p>Channel proteins</p> Signup and view all the answers

    Which type of protein transports substances down the concentration gradient without consuming any energy?

    <p>Channel proteins</p> Signup and view all the answers

    Which type of protein binds to target chemicals and alters their conformation for transport across the membrane?

    <p>Carrier proteins</p> Signup and view all the answers

    Channel proteins only transport ____ and molecules down the concentration gradient, which does not require any energy

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

    Carrier proteins only consume energy to transport substances ____ the concentration gradient

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

    No energy is used to transport substances down the concentration ____

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

    The conformation of channel proteins remains fixed at all times and does not change even when transporting ____

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

    Channel proteins form hydrophilic pores through the membrane, which allow the target molecules or ions to pass through the membrane by diffusion, without consuming any energy and without any interaction with each ____

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

    Carrier proteins bind to target chemicals on one side of the membrane and alter their conformation so that the substances can be released on the other side of the ____

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

    Channel proteins are proteins that create hydrophilic holes in cell membranes, facilitating the transport of molecules down the concentration ____

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

    Carrier proteins are integral proteins that transport chemicals across the membrane both down and up the concentration ____

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

    Carrier proteins flip between two conformations during the process of transporting ____

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

    Channel proteins only transport ____ and molecules down the concentration gradient, which does not require any energy

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

    Carrier proteins only consume energy to transport substances against the concentration ____

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

    Channel proteins form hydrophilic pores through the membrane, which allow the target molecules or ions to pass through the membrane by diffusion, without consuming any energy and without any interaction with each

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

    Which type of protein remains fixed at all times and does not change conformation during transport?

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

    Which type of protein consumes energy to transport substances against the concentration gradient?

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

    Which type of protein binds to target chemicals on one side of the membrane and alters their conformation?

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

    The conformation of channel proteins remains fixed at all times and does not change even when transporting

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

    No energy is used to transport substances down the concentration

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

    Carrier proteins are integral proteins that transport chemicals across the membrane both down and up the concentration

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

    Carrier proteins only consume energy to transport substances

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

    Which type of protein only transports ions and molecules down the concentration gradient?

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

    Carrier proteins only consume energy to transport substances

    <p>against the concentration gradient</p> Signup and view all the answers

    Carrier proteins flip between two conformations during the process of transporting

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

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