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Explain the neuromuscular junction

Action potential causes depolarisation in the presynaptic bulb, this causes voltage-gated calcium channels to open. This causes vesicles containing the neurotransmitter acetycholine to move and fuse with the...
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Answered by Zahra O. • Biology tutor
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What is a synapse and how is information passed through it?

A synapse is a receptor that detects
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Answered by Shay S. • Biology tutor
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What is a chromosome?

A chromosome is a long, tightly coiled molecule of DNA. Chromosomes are split into sections called genes. In the human body there are 48 chromosomes within each cell (except sex cells which have 23). Chromos...
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Answered by Nathaniel S. • Biology tutor
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How does vaccination work?

Vaccines contain weakened (or attenuated) antigens which cause immunity to a disease without actually giving the person the disease. They are usually adminstered by injection or sometimes orally (by mouth), ...
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Answered by Lizzy G. • Biology tutor
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How are action potentials propagated across cholinergic synapses?

In order for action potentials to travel to their intended destination they must cross synapses . These synapses are the spaces between neurones' axon terminals and other neurones' dendrites . In the case of...
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Answered by Harry S. • Biology tutor
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