[Campbell Biology P.258] Based on the image and text, which of the following molecules prima... | Practice Question

Based on the image and text, which of the following molecules primarily utilizes facilitated diffusion through aquaporins for its movement across the plasma membrane?

  • A: CO2
  • B: H2O
  • C: Organic molecules
  • D: O2

Explanation

Point 7 explicitly states that 'Water diffuses into and out of the cell directly through the plasma membrane and by facilitated diffusion through aquaporins.' The diagram also shows H2O moving through 'Aquaporin.'