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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 ...

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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...

Answered by Kayatre G. • Biology tutor

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A sequence is defined as: U(n+1) = 1/U(n) where U(1)=2/3. Find the sum from r=(1-100) for U(r)

U_n+1=1/U_n where U₁= 2/3First of all, we need to find U₂ and U₃ and so on, up until we notice a pattern in the answers. U₂ = 1/(2/3) = 3/2U...

Answered by • Maths tutor

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Why does the MC Curve cut the AVC curve at the AVC Curve’s lowest point?

When marginal costs start to rise, starting at point C, due to diminishing returns, the average variable cost is still decreasing, at point X. The average variable cost will continue to decrease as long a...

Answered by Caroline M. • Economics tutor

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Outline the Strange Situation as a method of assessing attachment. Briefly explain two limitations to this method.

The strange situation is a method first used by Ainsworth to assess infant attachment. The infant and mother are observed in a controlled environment and they experience a series of 3-minute stages. The m...

Answered by Delia W. • Psychology tutor

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