Search our library of homework questions

Top answers

All subjects

All levels

Explain how action potentials are transmitted across synapses.

The action potential runs along the presynaptic membrane in a wave of depolarisation and activates the Voltage Gated Calcium ion channels. 2) Once these channels open, Ca2+ diffuses into the presyna...

3699 Views

How does William Blake's speaker present the themes of restriction and control in his poem 'London'? Consider the physical and psychological representation of these themes in your answer.

William Blake’s 1794 poem 'London' is one of the most recognisable entries in his seminal work Songs of Experience. It depicts a hopeless and morose version of the English capital because it pres...

Answered by Will M. • English tutor

11273 Views

Explain the simple future and compound future tenses and how to form these tenses

The simple future translates to English as "personal pronoun (I, you, he, she, we, they) + will + infinitive of the verb"

Eg. I will speak

The compound future translates as "p...

Answered by Lydia P. • French tutor

2972 Views

The equation: x^3 - 12x + 6 has two turning points. Use calculus to find the positions and natures of these turning points.

To find the turning points we need to find when the differential of the equations with respect to x is equal to 0. (dy/dx = 3x² - 12 = 0) From this we find that the turning points happ...

Answered by Jon R. • Maths tutor

8363 Views