TLS Online TPP Program

#Question id: 11430


For GLUT1 in the human erythrocyte membrane, the Km for glucose transport is 1.5 mM. Thus when the extracellular glucose concentration is 1.5 mM, roughly half the GLUT1 transporters with outward-facing binding sites will have a bound glucose, and transport will occur:

#Unit 2. Cellular Organization
  1. At 5 percent of the maximal rate
  2. At 25 percent of the maximal rate
  3. At 50 percent of the maximal rate
  4. At 75 percent of the maximal rate