Multiple Choice
Glucose enters erythrocytes via a GLUT-1 uniporter.As the levels of glucose in the bloodstream decrease between meals,what happens to the glucose in the cells?
A) Glucose leaves the cell through the GLUT-1 uniporter,traveling down the new concentration gradient.
B) Glucose remains in the cell because uniporters can only transport in one direction.
C) Glucose remains in the cell because the GLUT-1 uniporters are gated and the gates close at low glucose concentrations.
D) Glucose remains in the cell because it has been phosphorylated and no longer has affinity for the GLUT-1 uniporter.
Correct Answer:

Verified
Correct Answer:
Verified
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