Synaptic Transmission

Front

What causes calcium channels to open on the presynaptic neurone?

Back

Action potentials.

Front

Which of the following is NOT a neurotransmitter?

Back

Acetylcholinesterase.

Front

What is the effect of sodium ion influx in the postsynaptic neurone?

Back

Depolarisation.

Front

Are vesicles made of phospholipids?

Back

True.

Front

Which ion is responsible for vesicle fusion with the membrane?

Back

Calcium ion.

Front

Define synaptic transmission.

Back

The process by which signaling molecules called neurotransmitters are released by a neuron and bind to receptors on a target neuron, leading to a response.

Front

What role do neurotransmitters play in synaptic transmission?

Back

They transmit signals across the synapse from one neuron to another.

Front

What is the function of acetylcholine?

Back

It acts as a neurotransmitter in both the central and peripheral nervous systems, involved in muscle activation and memory.

Front

What is hyperpolarisation?

Back

A change in a cell's membrane potential that makes it more negative, moving away from the threshold for action potential.

Front

What is depolarisation?

Back

A decrease in the membrane potential difference, making the inside of the cell less negative compared to the outside.