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When muscles contract, the length of the sarcomere (distance between the Z-lines*) shortens. ATP is required for the process of cross-bridge cycling which enables the sarcomere to sho...

This question tests a variety of mathematical techniques and knowledge which is integral to A-level mathematics.

Note that the highest power of a variable function in the mentioned equatio...

This question is a classic example of a problem which might catch some students out, if due care is not implemented.

Eleri is investing £3700 at 2% per annum compound inter...

Proteins are important to maintain the osmotic pressure within the blood vessels. Hence a person who has a poor diet that lacks protein will end up with swelling in their bodies this is called as oedem...

Vitamin K is a fat-soluble vitamin which helps prevent bleeding  and it is synthesized by the bacterias which reside in the human intestines. Hence it is important to give this particular vitamin to a ...