Transport proteins are thought to exist in all of the following ionic states EXCEPT:
A) open to cytoplasm of the presynaptic cell.
B) open to the synapse.
C) open to the calcium channels of the presynaptic neuron.
D) blocked,but with the transmitter "trapped" inside.
Correct Answer:
Verified
Q18: G-protein-coupled receptors:
A)are sometimes referred to as ionotropic
Q19: The study of what the body does
Q20: A _ can usually bind to many
Q21: G-protein-coupled receptors are considered to be _,while
Q22: All of the following are types of
Q24: Upon activation of a metabotropic receptor,which of
Q25: The first messenger would be the _,and
Q26: The primary advantage of G-protein-coupled receptors over
Q27: In metabotropic receptors:
A)G proteins activate the extracellular
Q28: Membrane-spanning receptor proteins include:
A)G-protein-coupled receptors,but not carrier
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