Question

What is the normal function for beta amyloid in the body? It removes excess amounts of the neurotransmitter glutamate from the brain to prevent overstimulation of the NMDA receptor It's involved in the breakdown of the neurotransmitter acetylcholine in the brain It helps protect the brain against infections There is no normal function for beta amyloid in the body

Answer 1

SOLUTION:

It removese excess amounts of the neurotransmitter glutamate from the brain to prevent overstimulation of the NMDA receptor

Beta amyloid triggers the elimination of excitatory synaptic connections in the CNS, an early manifestation of Alzheimer's disease. Oligomeric assemblies associate with excitatory synapses resulting in synapse elimination through a process that requires NMDA-type glutamate receptor activation.

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Presynaptic Neuson Gluforminese a vesicle Glut Glutemite NMDA recentos Astrocyte Kalo ERK APK (CREB Post synaptic TP Camk → Calmodulin dependent . Protein kinase ERK & Sealthy protein kinase CREB - CARP response element binding protein LTP – Long Teem potentiation Neuron Plasticily cs Scanned with CamScanner

All other options are wrong because Presynaptic vesicles release acetylcholine into the synaptic cleft where it binds to its receptor. Right next to the receptor is acetylcholinesterase, which breaks up acetylcholine into acetate and choline.

And the brain infection is prevented by blood brain barrier.