Long-Term Potentiation Is Associated with NMDA Receptors,one of Several Types

question 91

Multiple Choice

Long-term potentiation is associated with NMDA receptors,one of several types of receptors that bind to the excitatory neurotransmitter _______.Its binding opens an internal cation channel within the receptor that allows _____ influx into the postsynaptic neuron,triggering a cascade of biochemical changes that lead to synaptic strengthening.

• A)GABA,Ca2+ ion
• B)glutamate,Ca2+ ion
• C)glutamate,K+ ion
• D)GABA,K+ ion
• E)acetylcholine,Ca2+ ion

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Definitions:

Sedimentary Sequence

A chronological order of sedimentary rocks laid down in layers, reflecting the history of sediment deposition over time.

Shale

A type of fine-grained sedimentary rock that splits into thin layers, formed from mud composed of clay and other minerals.

Sandstone

A clastic sedimentary rock composed mainly of sand-sized mineral particles or rock fragments.

Rounded Pebbles

Smooth, round stones typically formed by the prolonged action of water or other forms of erosion and weathering on rocks.