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Atherosclerosis is a cardiovascular disease where fatty, cholesterol filled plaque builds up in the arteries, it is the main contributor to coronary artery disease. These plaques narrow the vessel and obs...

Firstly it is important to understand that food is metabolised and that produces the energy needed for bodily fuctionsThere could be a number of reasons for animals going a longer time without eating:1 - ...

5 marking points to hit:Transmission of action potential will be slower in neurons with damaged myelin sheaths (1) because myelin is an electrical insulator (2) so increases the speed of action potential ...

Observing animal species with exaggerated ornaments and weapons that do not seem of importance in the animal’s struggle for survival, Darwin created the concept of sexual selection to account for the evol...

Epigenetic control of gene expression involves mechanisms that do not alter the sequence of DNA itself. External factors acting upon cells translate their signals via cascades to the nucleus, where they ...