Question

Which of the following statements regarding the ligand-gated receptor is false?

a. A similarly shaped foreign ligand can attach to the receptor and block
the naturally occurring ligand from binding.

b. The naturally occurring ligand should bind irreversibly to the receptor
until it breaks down.

c. A ligand can attach to the receptor and activate an intracellular catalytic site on the same molecule.

d. The receptor surface is usually extracellular.

e. The naturally occurring ligand can cause the associated protein channel to open.