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What is the difference between the xylem and phloem?

The xylem and phloem are both tissues for the transportation of substances, required for normal functioning by plants. They differ in what substances they transport and how these are transported, however. Th...
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Answered by Emma I. • Biology tutor
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The Pacinian corpuscle senses changes in pressure in the skin. Explain how pressure causes the cell to change its membrane potential to elicit a nerve response.

Pressure causes the membrane to become deformed/stretched.2) Sodium ion channels open - diffuse in3) Greater pressure = more channels open, greater potential difference change4) Threshold potential reached, ...
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Answered by Duncan W. • Biology tutor
2831 Views

What is the best way to structure a paragraph in an essay?

Think of PEEL;PointEvidenceExplainLink
MK
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How do non-competitive inhibitors work?

A non competitive inhibitor has a different shape to the substrate molecule.The inhibitor binds to an allosteric site.This causes a conformational change meaning the substrate is no longer able to bind to th...
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Answered by Kayatre G. • Biology tutor
3048 Views

Why did William win in the Battle of Hastings in 1066?

The best way to approach this question is to weigh both sides of the answer - was it due to William's strength or Harold's weakness? The battle lasted the whole day – which could suggest that the armies were...
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Answered by Sophie A. • History tutor
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