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Explain how the resting potential of -70mV is maintained in a sensory neuron.

The resting potential is a result of the concentrations of the sodium and potassium ions inside the neuron compared to outside. The leaky channels in the sensory neuron membrane allow the movement of Na+ ...

JM
Answered by Jessica M. Biology tutor
17584 Views

How is Marxism present in Miller's 'Death of a Salesman'?

Marxism is integral to Miller's 'Death of a Salesman' and his belief that the "common man is as apt a subject for tragedy in its highest sense as kings were". In the play, Miller presents the pe...

CH
15193 Views

Why does the mass of a potato chip decrease after it is left in a concentrated sugar solution?

The water potential of the concentrated sugar solution is much lower than the water potential inside the cells of the potato chip. Therefore, the water molecules move down a concentration gradient out of ...

TM
Answered by Tasneem M. Biology tutor
14795 Views

Evaluate the effectiveness of the methods of response to a tectonic hazard in a named developed country (8)

In the Tohoku 2011 tectonic mega-disaster in Japan, there were numerous effective response methods. The Pacific Tsunami Warning System alerted the Japanese government within nine minutes of the earthquake...

CH
Answered by Ciara H. Geography tutor
5991 Views

Simplify √48

√48 = √3 x √16 = √3 x 4 = 4√3

JW
Answered by Joshua W. Maths tutor
3570 Views

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