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The resting membrane potential of cells is maintained by the actions of Na+ and K+. A resting cell is impermeable to Na+ so the concentration of Na+ is greater outside the cell than in it. However the cel...

The Bill of Rights is a document comprising of the first ten amendments to the US Constitution, published by James Madison in 1789. These ten amendements are the basis for the Protection of Individual Rig...

Kant sought to provide the moral agent with an intrinsic, deontological, universal system of ethical rules to follow in all situations, in order to work out the correct moral action to take. His ethical s...

The pioneer species (or any other species) changes the environment, making it less hostile. Also some species are better competitors and out-compete others.

Enzymes are functional proteins which are used to catalyse reactions. They all exhibit primary, secondary and tertiary structure, and some which have more than one polypeptide chain have quaternary struct...