In a mouse mutant, all Norepinephrine (NE) synapses in the thalamus have a Protein Kinase A that cannot be activated by CAMP. Which of the following effects would occur? Check all correct answers. NE would not have target actions in thalamus Protein kinase A in the synapse could not phosphorylate its targets Adenyl Cyclase would not function CAMP could not be broken down the alpha-1 adrenergic receptor coupled pathway would still function

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Cell Signaling

It allows cells to perform various cellular activities, coordinate, and interact with other cells. All cells of an organism receive signals from their environments and respond accordingly. Even the unicellular eukaryotes receive signals secreted by other cells and respond. In the case of yeast, mating takes place by signaling between the yeast cells. Communication by cell signaling in a multicellular organism has become a vast and important part of various fields of biology.