Search our library of A Level questions

Top answers

All subjects

A Level

Describe the process of mitosis

Mitosis occurs when a eukaryotic cell has exited interphaseIt occurs in 4 stages:
Prophase: The spindle fibres appear in the cell, the chromosomes condense and the nuclear membrane of the nucleus dis...

Answered by Aoife M. • Biology tutor

3086 Views

How are X-rays created?

High energy electrons are fired at a target. When the electrons interact with the atoms in the target two things can happen. The first process is called breaking radiation and occurs when the electron is ...

Answered by Charlotte K. • Physics tutor

1883 Views

Assess whether the Thatcher Governments 1979-1990 transformed Britain.

Heraclitus, the pre-Socratic philosopher noted ‘No man ever steps in the same river twice, for it's not the same river and he's not the same man’. Similarly, every Prime Minister will transform Britain bu...

Answered by Thomas C. • History tutor

2078 Views

What are the main process of erosion that take place in rivers?

River erosion by four main processes - hydraulic action, abrasion, solution, and attrition - wears away the river bed and banks and breaks down carried material.

Through

Answered by Emily B. • Geography tutor

11261 Views

How does integration by parts work ad when to use it?

Integration by parts should be used when you want to integrate a function composed of two factors (we can call them 'u' and 'dv'), where it is fairly easy to derive 'u', while it is difficult or impossibl...

Answered by Michal O. • Maths tutor

3240 Views