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Describe the function of receptors in the skin. (2 Marks)

Detect surounding stimuli. Convert that information to impulses and send to the brain.
TD
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(Substrate) is hydrolysed by (Enzyme). Explain why (Enzyme) catalyses only this reaction. (3 Marks)

Active site of (enzyme) has a specific active site, complementary to (substrate). Only that (substrate) can bind to this active site to form an enzyme substrate complex.
TD
3147 Views

Discuss the view that pressure groups make the UK more democratic.

Split into yes v no, with around 2 or 3 paragraphs for each side of the argument (depending on marks for the question). Yes: they represent minority views (with about 3 different pressure group examples focu...
AG
Answered by Annabel G. • Politics tutor
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Describe how sigma and pi bonds form and describe how single and double bonds differ.

The sigma bond results due to the overlapping of orbitals along an inter-nuclearaxis. In other words if two s orbitals are directly overlapping, then the bond formed is linear between the two nuclear centres...
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Answered by Neil G. • Chemistry tutor
4547 Views

Explain why food is price inelastic.

The price elasticity of a good measures the proportionate change in demand to an inital change in price. If a good is price inelastic it suggests that an increase in price leads to a less than proportionate ...
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Answered by Roscoe S. • Economics tutor
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