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Biology
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How does Acetylcholine act on a neuronal synapse, and how is it re-uptaken?

 - Ca2+ voltage gated channels are activated due to an action potential reaching the synapse

 - Acetylcholine rests in the pre-synaptic cleft

 - They are stored in vesicles

 - The cal...

KR
Answered by Krishan R. Biology tutor
2426 Views

How does the potential travel between synapses?

The potential or information travels between a pre-synaptic and a post-synaptic neuron. As a reminder, for information, we intend the flow of Na+ and K+ ions between two locations. When t...

FA
Answered by Filippo A. Biology tutor
2387 Views

Outline the process of mitosis

Meiosis is the process of cell division that produces two identical diploid cells, and consists of four stages.

The first stage is called prophase, where the chromosomes condense and cross over to ...

AR
Answered by Anastasia R. Biology tutor
5299 Views

What are the different enzymes involved in replication and what do they do?

There are many enzymes which are crucial for replication. The first is helicase which unwinds the double helix at the replication fork. DNA gyrase then reduces the strain...

HD
Answered by Hana D. Biology tutor
1767 Views

How does a neuron transmit a signal across a synapse?

When an action potential from a pre-synaptic neuron approaches a synapse, the change in membrane potential causes voltage-gated calcium ion channels to open across the pre-synaptic bulb. Due to the high d...

SW
Answered by Scott W. Biology tutor
4051 Views

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