TLS Online TPP Program

#Question id: 2066


Which of the following statements describes a characteristic feature of a carrier protein in a plasma membrane?

#Section 3: Genetics, Cellular and Molecular Biology
  1. It exhibits specificity for a particular type of molecule.

  2. It requires the expenditure of cellular energy to function.

  3. It works against diffusion.

  4. It has no hydrophobic regions.