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How is an action potential transmitted across a synapse?

Looking at a cholinergic synapse:The action potential arrives at the presynaptic knob. This causes voltage-gated calcium ion channels to open, and calcium ions to diffuse into the presynaptic knob.The inf...

MM
Answered by Megan M. Biology tutor
2719 Views

Solve algebraically the simultaneous equations: x^2 + y^2 = 25, y - 3x = 13

Steps:Number both equationsUsing equation 2, solve for y in terms of x.Substitute this answer into equation 1 so that your equation only includes x terms and no y terms.Solve equation 1 for x. (This will ...

RM
Answered by Rowena M. Maths tutor
1931 Views

Rat poison is not always an effective rodenticide and will reduce in effectiveness with age. Explain why

Any type of poison is not guaranteed to eradicate rats entirely. This is due to genetic mutations allowing an individual to be immune to certain types of toxins. Whilst the population may be eradicated, i...

CD
Answered by Charles D. Biology tutor
2103 Views

"Evaluate the causes of the Korean War."

Students should consider that the question implies that there is more than one cause here, and so should demonstrate some form of knowledge that perhaps the causes interconnect, and that the war wa...

LK
Answered by Lucy K. History tutor
2344 Views

Do I need to memorise quotations (critical or from the text studied).

Memorising quotations is not a requirement for any English Literature paper. Paraphrasing the quotation is often sufficient.
In terms of critical quotations, memorising can be difficult but useful. ...

SO
3077 Views

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