Search over 10,000 free study notes

Pathogens are microorganisms that can cause disease. If they enter the body, they can start an immune response. On their surface, they have antigens, which are substances that start that immune response. Ant...

A synapse is a junction between neurons. For neurons to communicate signals to each other, it is vital that information can cross the synapse when appropriate. The neuron before the synapse (the presynaptic ...

The factor theorem helps us to find factors of polynomial equations, by substituting in number values for x to see whether the equation equals zero. For any polynomial P(x), the factor theorem would state th...

Cardiovascular disease is so prevalent that all businesses are likely to have employees who suffer from, or may develop, this condition. Research shows that between 50-80% of all people who suffer a heart at...

The problem of evil states that an omniscient, omnipotent, benevolent God cannot exist due to the fact that there is evil in the world. If God exists in the way that we imagine, then he has the power and abi...