Top answers

Explain how oestrogen can lead to the development of breat cancer

Oestrogen is a lipid soluble molecule, so it diffuses into the cell across the plasma membrane. It then binds to a recptor inside the cell and this causes it to relocate to the nucleus. The receptor then act...
JM
Answered by James M. • Biology tutor
3592 Views

Define a transition metal

Transition metals form coloured ions in solution. They have variable oxidation states, and often can be sued as catalysts. They are also able to form complexes with non-metal ligands, such as H2O or NH3, whe...
JM
Answered by James M. • Chemistry tutor
2639 Views

How do I use different interpretations in my essays (AO5)?

OCR A Level English Literature is marked according to five assessment objectives. The last of these is AO5 which requires you to explore your texts by using different interpretations. This is required for mo...
SW
11704 Views

Who is responsible for Dido's death in Virgil's Aeneid?

The death of Dido marks the end of Book 4 of Virgil's Aeneid. The Queen of Carthage stabs herself in a fiery rage following her abandonment by her lover Aeneas, who leaves Carthage to continue with his desti...
SW
28692 Views

Stalin’s rise to power was the greatest turning point in the nature of Russian government during the period of 1855-1964. To what extent do you agree with this view?

Russia during the period of 1855-1964 experienced great levels of change in the nature of its government. Under the Tsars and then the Communist leaders of Russia post-1917, it is evident that there are nume...
GR
Answered by Gabriel R. • History tutor
6598 Views