Search our library of homework questions

Top answers

All subjects

All levels

What is a synapse and how is information transmitted across it?

Synapse = the junction between two neurones (nerve cells) OR the junction between a neuron and an effector cell such as a muscle cell

A synapse between two neurones consists of:

Answered by Emma Louisa S. • Biology tutor

2777 Views

A child is standing on a walkway that is moving at 2 metres per second and decides to turn around and walk back to the start at 2 metres per second. Explain why the child cannot reach the start of the walkway at this speed.

Assuming that the walkway is moving in a positive direction, the child is walking in the opposite direction to it and is therefore walking in the negative direction. Both the child and the walkway have ve...

Answered by Merry S. • Physics tutor

1705 Views

Find the maximum point of the curve from its given equation: [...]

Firstly you would have to differentiate the equation to find the expression that describes the rate of change of the parameters relative to each other using the standard differentiation method. This invol...

Answered by Merry S. • Maths tutor

3196 Views

How do I divide fractions?

If you have a fraction divided by another fractions things can get tricky, but there is an easy way to avoid getting triple decker fractions! Have a look at this example: (1/2) / (2/5) = (1/2) x (5/2) = (...

Answered by Molly R. • Maths tutor

3058 Views

What are the differences between the structure and function of arteries and veins?

Arteries are blood vessels that carry blood away from the heart. They have thicker walls than veins in order to cope with far higher blood pressure level...

Answered by William H. • Biology tutor

9272 Views