Function of Synapses (AQA A-Level Biology): Quizzes
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Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What are synapses?
What are synapses?
Specialised junctions between neurones
What is signal amplification at a synapse?
What is signal amplification at a synapse?
One impulse triggering multiple neurones
What is signal integration at a synapse?
What is signal integration at a synapse?
Multiple impulses combining at one synapse
Where are neurotransmitters produced?
Where are neurotransmitters produced?
In the presynaptic neurone only
Where are neurotransmitters stored before release?
Where are neurotransmitters stored before release?
In synaptic vesicles
What happens when an action potential reaches the synaptic terminal?
What happens when an action potential reaches the synaptic terminal?
Vesicles fuse with presynaptic membrane
What is the synaptic cleft?
What is the synaptic cleft?
The gap between two neurones
Where are receptor proteins located?
Where are receptor proteins located?
On the postsynaptic neurone only
What do excitatory synapses do?
What do excitatory synapses do?
Generate new action potentials
Why is synaptic transmission unidirectional?
Why is synaptic transmission unidirectional?
Neurotransmitters presynaptic, receptors postsynaptic