Which of the following is not a difference between ionotropicand metatropic receptors?
A. Number of subunits
B. Presence of channels
C. Response Speed
D. Influx of ions
E. Neurotransmitter binding site
In an experiment, a student adds a G-protein antagonist thatprevents the release of GDP from the alpha subunit, to a cell. Whatwould be the expected effect?
A. increased availability of free GDP
B. Dissociation of the alpha subunit from the beta-gammasubunit
C. decreased flow of ions through the channel
D. Initiation of signaling cascade
E. No response to transmitter binding
