At a synapse between two neurons, the dendrites release the neurotransmitters.

Question

BlackTom AI · Accepted Answer

In this statement, we need to identify which part of the synapse releases neurotransmitters. 
Option 1: True. This would claim that dendrites release neurotransmitters. However, this is misleading because dendrites are the receiving structures on the postsynaptic neuron, not the release sites. Neurotransmitters are released from the presynaptic neuron's axon terminal (the axon ending), into the synaptic cleft, where they can bind to receptors on the postsynaptic membrane. 
Option 2: False. This aligns with the correct neurobiology: the presynaptic terminal releases neurotransmitters, not the dendrites. The dendrites (and the soma) of the postsynaptic neuron detect the chemical signal via receptors, leading to potential changes in membrane potential. 
Why the false option is a better description: it correctly assigns the role of neurotransmitter release to the presynaptic side and acknowledges the dendrites as the receptive side of the synapse. 
Why the true option is incorrect: it misstates the anatomical source of neurotransmitter release, which is a fundamental aspect of synaptic transmission. 
In summary, the statement improperly identifies dendrites as the release site, whereas the actual release occurs from the presynaptic axon terminal.

My LMS Subjects Assessment 1: Quiz 1

At a synapse between two neurons, the dendrites release the neurotransmitters.

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My LMS Subjects Assessment 1: Quiz 1

At a synapse between two neurons, the dendrites release the neurotransmitters.

查看解析

登录即可查看完整答案

类似问题

Which of the following explains why one-way synaptic transmission occurs?

Question at position 3 Select all the ways a neurotransmitter can exit the space between neurons.DiffusionReuptake/recyclingAxon travelEnzymes will digest the neurotransmitter.Immune cells will attack.

Consider a neuron-neuron synapse. Match the description with the presynaptic or postsynaptic neuron. 1: Action potential travels away from the synapse via this neuron. ____ 2: First in the chain of neurons. ____ 3: Second in the chain of neurons. ____ 4: Releases neurotransmitter. ____

The theory of quantal mechanism of neurotransmission was based on electrophysiology providing evidence for quantal activity in synaptic transmission combined with electron microscopy revealing vesicles near terminal boutons.

Which of the following is the correct sequence of events that occur during synaptic transmission?

What accounts for the longest delay in neuronal signalling?

What accounts for the longest delay in neuronal signalling?

更多留学生实用工具

希望你的学习变得更简单

Consider a neuron-neuron synapse. Match the description with the presynaptic or postsynaptic neuron. 1: Action potential travels away from the synapse via this neuron. 2: First in the chain of neurons. 3: Second in the chain of neurons. 4: Releases neurotransmitter.