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The dead or inactive form of the pathogen stimulates the adaptive immune system. It forces white blood cells to form antibodies against the pathogen, so that if a future invasion by the same pathogen was ...

I believe that a common misconception exists among students taking exams for IB History (as well as related subjects) that it is best to allocate the entirety of the exam to just writing continuously. In ...

The answer is Diffusion.This is random movement of a substance from an area of high concentration (the air) to a region of low concentration (inside the organism). In this case, the substance dif...

Mitosis is the division of one cells contents to either side of the cell in preparation for cytokinesis which is the splitting of one cell into two identical, diploid, daughter cells. The four stages of m...

We first differentiate f(x), and we get f'(x)=2x + 5. We then set this equal to 0 and then solve for x. We get that xmin= -2.5. We check whether this was indeed a minimum, by calculating the second deriva...