Question: One of the effects of insulin is an increase the number
of glucose transporters in the plasma mem…
One of the effects of insulin is an increase the number
of glucose transporters in the plasma membrane. Consider this table
indicating four glucose transporters (GLUT) and their KM
values. Typical blood glucose concentration is 4-8 mM. Which of the
GLUT transporters would be least able to provide increased flux of
glucose into a muscle cell?
| transporter | KM (mM) |
|---|---|
| GLUT1 | 1 |
| GLUT2 | 15-20 |
| GLUT3 | 1 |
| GLUT4 | 5 |
Select one:
A. GLUT1
B. GLUT2 (This is the one I’m thinking because
it has such a high Km value)
C. GLUT3
D. GLUT4
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