Which of the following statements accurately describe the insulin receptor? Ther

Question

Which of the following statements accurately describe the insulin receptor? There is more than one correct answer. Select all the true state?

1. The structure includes a transmembrane helix.

2. Insulin binds to the extracellular domain.

3. Insulin binding is required for autophosphorylation (cross-phosphorylation).

4. The subunit contains seven helices that span the membrane.

5. Insulin binding promotes the dimerization of the receptor.

6. GTPase activity is required for autophosphorylation (cross-phosphorylation). I got this question wrong but the website says in hint that there are four correct statements! which four of these are correct?

Explanation / Answer

the true statements are

1. The structure includes a transmembrane helix.

3. Insulin binding is required for autophosphorylation (cross-phosphorylation)

5. Insulin binding promotes the dimerization of the receptor.

6. GTPase activity is required for autophosphorylation (cross-phosphorylation).

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