True False All ionotropic receptors are activated by ions.
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Step 1: Ionotropic receptors are a type of receptor that are directly linked to ion channels. Show more…
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Neuroscience/Biology: In comparing metabotropic and ionotropic receptors, which of the following is true: a. Both metabotropic and ionotropic receptors undergo a conformational change when they bind the appropriate neurotransmitter. b. Both metabotropic and ionotropic receptors are ion channels. c. For both metabotropic and ionotropic receptors, a conformational change leads to hydrolysis of a molecule of GTP. d. All are true. e. None are true.
Adi S.
Which of the following is TRUE about ionotropic vs metabotropic receptors? A. Metabotropic receptors are ion channels. B. When ionotropic receptors are activated they can cause an immediate change in the voltage across the membrane of the receptor neuron. C. Ionotropic receptors are coupled to G proteins and thus indirectly to ion channels. D. Metabotropic receptors activate second messenger systems and as such their effect is very short-lived (immediate).
Lainey R.
Which statement about metabotropic receptors is false? Select one: a. They contain a specific type of intrinsic ("built-in") ion channel. b. Transmitter binding causes activation of second-messenger proteins. c. Activation causes slow but widespread intracellular effects. d. Activation can alter gene expression and cause structural changes.
Sukhwinder N.
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