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How does Cholera work?

Cholera works by releasing a toxin in the lumen. It causes chloride channels of the intestinal epithelial cells to open which in turn causes cholride ions to move along its concentration gradient into the...

TK
Answered by Tanvi K. Biology tutor
5770 Views

What is electromotive force (emf) and how can the emf of a battery be measured?

The electromotive force is the work done by a battery on the charge carriers to transport them across the entire circuit, per unit charge. It can be thought of as the specific energy given to the charge c...

DS
Answered by Dan S. Physics tutor
10857 Views

Evaluate whether growing market concentration and monopoly power is necessarily undesirable.

Discussion of monopolies should be based around the motivations of monopolies and whether such desires of those elites in the industry in question benefit or degrade society as a whole. 

A monopoly...

JS
Answered by Joshua S. Economics tutor
9072 Views

Explain three disadvantages of proportional representation

  1. Voters and there representatives are not well connected to each other. In first past the post systems, which allow representation to represent a relatively small geographic area, there is a stro...

JS
Answered by Joshua S. Politics tutor
25400 Views

Discuss the impact of Vietcong Guerilla tactics in the Vietnam War.

The Guerilla tactics of the Vietcong had an enormous impact on both American military effectiveness and morale. Traversing the jungle on bicycles or on foot, the Vietcong were far more mobile and agile th...

CO
7444 Views

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