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The subjuntive is used to express desire, doubt, emotions, probability and the unknown.
It is usually used after these common expressions:Quizás (doubt), puede que (posibility), me gustaría que (desi...

dA/dx = 4x -18 : multiply the number before the x (coefficient) by the power and minus 1 from the power.4x = 18 so x = 4.5 to find the minimum or maximum point, make the differential equal to 0 and solve ...

The saturation curve of haemoglobin shows positive cooperativity. Initially, the porphyrin ring of the haem prosthetic group in haemoglobin is dome-shaped. When one molecule of oxygen binds one of the fou...

Myelination of an axon makes propagation of action potentials along it much faster. In unmyelinated axons, the action potential is constantly regenerated by active propagation, with the depolarisation cau...

One argument against increasing the budget deficit is that and increase in government spending crowds out the private sector. This is when government spending fails to increase overall aggregate demand be...