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Lynn Margulis proposed this theory in 1996. It explains how the eukaryotic cells engulfed through  endophagocytosis some organelles such as mitochondria and chloroplasts, which evolved from ...

Every cell of our body has two different kind of DNA: nuclear and mitochondrial. The nuclear DNA is found in the nucleus of the cell, and is inherited from both parents. However, the mitocho...

In Spanish we form a verbal periphrasis to express a single idea by using two verbs in the same sentence, in a similar way in English we use Phrasal verbs. Their usual structure is: Auxiliar...

The chain rule is most commonly seen in Leibniz's notatio...

The maximum/minimum of a function are the points where the first derivative (the gradient) of the function is zero.

So with a function of the form y=f(x), you must take the derivative (dy/dx) ...