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Explain the stages of an ECG trace.

The P wave is caused by the contraction of the atria, forcing the blood into the ventricles. The sinoatrial node, produces a wave of depolarisation which causes the atria to contact and therefore the p w...

Answered by Biology tutor
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For the function f(x) = 4x^3 -3x^2 - 6x, find a) All points where df/dx = 0 and b) State if these points are maximum or minimum points.

Part a) requires you to find df/dx for the given function. To do this, we differentiate the function once, which is done by multiplying the power of each 'part' with the part itself and subtracting 1 from...

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Answered by Martin M. Maths tutor
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Differentiate between a prokaryotic and a eukaryotic cell.

Prokaryotic and eukaryotic cells are the 2 types of cells that exist on Earth.Prokaryotes are single celled organisms that lack a distinct nucleus with a membrane. Their DNA is supercoiled and free floati...

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Answered by Matthew M. Biology tutor
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Explain how a non-competitive enzyme inhibitor effects the rate of a reaction catalsyed by an enzyme?

A non competitive enzyme binds to the enzyme but not at the active site. This creates an enzyme inhibitor complex. The binding of the inhibitor to the enzyme influences the chemical bonds (for example hyd...

Answered by Biology tutor
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Is the Separation of Powers the ‘republican remedy for the diseases most incident to republican government’ that Madison supposed?

When the political leaders and statesmen collectively known as the Founding Fathers of the United States of America met in Philadelphia in 1787 to address the problems in governing the country, they sough...

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