Which of the following questions regarding second messengers is false? a. They are needed to mediate the action of nonpolar regulatory molecules. b. They are released from the plasma membrane into the cytoplasm of cells. c. They are produced in response to the binding of regulatory molecules to receptors in the plasma membrane. d. They produce the intracellular actions of polar regulatory molecules.

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A: signal to be sent down an axon of a nerve cell, an action potential must be generated.

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A: Answer is d.)  Steroid hormone receptors.

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A: Question -   An unknown ion is flowing out of a neuron, creating an inhibitory response.  This…

Q: which of these events will MOST quickly stop the transduction of the signal?

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Q: not

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A:

Q: a. Cytoplasmic Receptor   b. Transmembrane Receptor   c. Intracellular Receptor   d. Nuclear…

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A: Match the following description of cell with signal type 1.  Signal across gap junctions: Direct…

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