Search our library of homework questions

Top answers

All subjects

All levels

Describe how an action potential stimulates synaptic release of neurotransmitters. (5 marks)

action potential depolarises the synaptic terminal this activates the voltage gated calcium channels Calcium ions diffuses into the cell down the electrical gradient Calcium ions stimulate the release of ...

Answered by Sofia P. • Biology tutor

2383 Views

Distinguish between economic liberalism and social liberalism.

Economic liberalism is a species of classical liberalism and provides the basis for neo-classical economic theory whereas social liberalism is a species of modern liberalism and argues that an unregulated...

Answered by Megan E. • Politics tutor

7483 Views

Bernard says that a mass executing uniform circular motion is not accelerating as it's speed is not changing. Which parts of his statement are correct and which are false. For those which are false state why they are and give the correct version.

Correct:For a mass which is executing uniform circular motion, it's speed doesn't change.
False:(1) A mass which is executing uniform circular motion is not accelerating
Correction to (1)

Answered by Oliver C. • Physics tutor

1575 Views

Show that the derivative of tan(x) is sec^2(x), where sec(x) is defined as 1/cos(x). [Hint: think of tan(x) as a quotient of two related functions and apply the appropriate identity]

tan(x) is defined as sin(x)/cos(x) For a function which can be written as f(x) = u(x)/v(x) the quotient rule can be appliedThe quotient rule states f ' (x) = (u'v-v'u)/v^2 Applying this to the formula for...

Answered by Oliver C. • Maths tutor

3400 Views

How do I make my answers more analytical?

In school, we are often taught to write paragraphs with a 'PEE' (Point, Evidence, Explain) structure. However, at GCSE level we need to go beyond this and use 'PEEAL' (Point, Evidence, Explain, Analyse, L...

Answered by Catriona D. • English Language tutor

1868 Views