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A-Level Biology OCR A

Glucose Insulin Effect Cells Describe Binds Complementary Glycoprotein

Insulin binds to cell receptors, increasing glucose uptake by opening glucose channels and activating enzymes for glycogen synthesis.

Insulin binds to glycoprotein receptors on cells, causing glucose transport proteins to open and allowing more glucose to enter, and also activates enzymes to convert glucose to glycogen.

Front Describe how insulin has its effect on cells.
Back Effect of insulin:
  • Insulin binds to its complementary glycoprotein receptor found on virtually all body cells
  • This causes a change in the tertiary structure of the glucose transport protein channel
  • This causes channels to open, allowing more glucose to enter the cell
  • It also activates enzymes within some cells to convert glucose to glycogen 

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