Which statement about the insulin receptor is false?
A) It autophosphorylates.
B) It is a transmembrane receptor with an extracellular binding domain.
C) It catalyzes the phosphorylation of insulin-response substrates inside a cell.
D) When activated, it allows insulin to enter the cell.
E) It is a protein kinase receptor.

Question

Quizplus · Accepted Answer

The insulin receptor does not allow insulin to enter the cell when activated. Instead, it initiates a signaling cascade that regulates glucose uptake and metabolism within the cell.

Which Statement About the Insulin Receptor Is False