An area that contains many synaptic vesicles filled with acetylcholine A structure that when bound to a ligand opens a divalent channel for the movement of both Na and K A change in membrane voltage that travels down the T-tubule to cause opening of Ca2 channels An area of muscle fiber membrane that is in close association with the axon terminal of the motor neuron, contain receptors for acetylcholine:

the answer will be a) proteins i believe

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explanation:

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the answer is false?

glacial erosion, the picking up and movement of earth beneath a glacier, is also referred to as plucking. erosion and transportation of individual pieces of bedrock, especially large "joint block occur as a result of this glacial erosion. plucking is type of erosion in which rocks become frozen into the bottom and sides of the glacier.as the glacier moves downhill it 'plucks' the rocks frozen into the glacier from the ground.