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The Centripetal Force is not a new force which begins to act on an object as it moves in a circle. It is in fact the result of an imbalance of the forces acting on an object i.e the net f...

For many language students, speaking exams are a very daunting part of the course! It's important to remember that these exams aren't trying to catch you out; they're looking for you to be enthusiasti...

It is important to reduce energy demand for a number of reasons. It benefits the environment as it can reduce CO2 emissions. It reduces the risk of “the lights going out” where our energy production c...

The genotype of an organism is the alleles it has. while the phenotype is the characteristics the alleles produce.

For examples the alleles for hair colour could be BB for brown hair...

A mutation is any change to the base sequence of DNA.

The different types of mutations that can occur include:

Subsitution - this is where one base is swapped for another

Delet...