A Glucose Transporter Changes Shape When It Binds to a Molecule

question 23

Multiple Choice

A glucose transporter changes shape when it binds to a molecule of glucose. The shape change moves glucose down its concentration gradient to the opposite side of the membrane, where it detaches from the transport protein. What does this illustrate?

• A)facilitated diffusion
• B)endocytosis
• C)active transport
• D)exocytosis
• E)osmosis

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