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What is the role of insulin in the body?

Insulin is a hormone released by the pancreas in response to high glucose levels in the blood. It primarily acts to reduce blood glucose levels. It does this by signalling muscle and fat cells to take in ...

Answered by Sophie B. • Biology tutor

5060 Views

What is the difference between porqué, porque, por qué and por que?

Students often confuse these four words due to their ortographical similarity, however it is fundamental that you can recognise the difference in order to correct include them in your written work.

Answered by Charlotte D. • Spanish tutor

2752 Views

Explain what is meant by Enthalpy

In nature, when 2 elements react, energy is taken in to break bonds and energy is given out to form new bonds. The net change in heat energy during a reaction at constant pressure is called the enthalpy c...

Answered by Avishek P. • Chemistry tutor

1721 Views

Explore the theme of childhood in 'The Retreat' by Henry Vaughan

The Retreat focuses largely on the glorification of childhood as a time of being innocent and close to God, prior to the ‘sinful’ (line 16) pollution of the human soul on Earth. The poem’s openin...

Answered by Ruby R. • English Literature tutor

8310 Views

How does increasing temperature affect the rate of a reaction in the presence of an enzyme.

Initially increasing temperature will increase the rate of reaction. This is because the substrate molecules have greater kinetic energy so there are more frequent collisions with the enzyme/other molecul...

Answered by Cameron R. • Biology tutor

2225 Views