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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 mitochondrial DNA, which...

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: Auxiliary verb + nexus (m...

The chain rule is most commonly seen in Leibniz's notation, which is as follows:<o:p></o:p> dz/dx = dz/dy * dy/dx<o:p></o:p> You can remember it intuitively by thinking of the two 'dy...

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) and set your re...

Covalent bonds are formed between two non-metals, while ionic bonds are formed between a metal and a non-metal. Both types of bonds involve forming complete outer electron shells. Covalent bond: This bond in...