Question

Which of the following is NOT a type of cellular receptor?

1. Tyrosine kinase receptor

2. G-protein coupled receptor

3. Endocrine receptors

4. Intracellular/nuclear receptor.

Answer 1

3. Endocrine receptors.

There are no specific types of endocrine receptors. Depending on a hormone biochemical structure, hormone receptors are composed of tyrosine receptors, G protein-coupled receptors or nuclear receptors.