Final answer:
The formation of long-term potentiation (LTP) requires the production of the protein PKA (Protein Kinase A). LTP is a persistent strengthening of a synaptic connection, and it involves the insertion of AMPA receptors into the postsynaptic membrane, strengthening the synapse.
Step-by-step explanation:
The formation of long-term potentiation (LTP) requires the production of the protein PKA (Protein Kinase A). LTP is a persistent strengthening of a synaptic connection and is based on the Hebbian principle. When the postsynaptic neuron is depolarized by multiple presynaptic inputs, it allows calcium (Ca²+) ions to pass into the postsynaptic cell, initiating a signaling cascade that causes AMPA receptors to be inserted into the postsynaptic membrane, strengthening the synapse.