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How does a stimulus produce an action potential?

The cell begins at a resting potential of -85mV with a high concentration of potassium (K+) inside the cell. The stimulus must be strong enough to produce the all or nothing response which triggers the openi...
MT
Answered by Meirion T. • Biology tutor
3809 Views

Explain the interactionist approach to explaining mental disorders.

The biological approach to explaining mental disorders would suggest that arise as a result of genetic vulnerability combined with an environmental 'stressor' event which triggers the expression of such gene...
KE
Answered by Katie E. • Psychology tutor
3910 Views

Distinguish between different types of international human rights

We can distinguish between types of international rights through Karel Vasak's definition of rights as being categorised into generations.The earliest human rights to be established were civil and political ...
AC
3632 Views

What does a 95% confidence interval reflect?

It reflects the set of values for which 95% of a normally distributed sample lies, which tells us with 95% confidence that the mean value lies within this interval. 95% confidence means the likelihood that o...
CP
Answered by Caitlin P. • Maths tutor
3545 Views

How to sketch a cubic function

Determine intersections with the x and y axis, intersections at x axis occur when y=0 and intersections with the y axis occur when x=0.2) Differentiate function to find stationary points (by setting the diff...
AP
Answered by Anya P. • Maths tutor
4103 Views