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This question is one of the core questions in biology that many thousands of biologists are trying to answer. Although we have made huge progress since DNA was discovered there is still a lot that isn't know...

Throughout Paradise Lost, and most notably in Book 9, Milton takes an unconventional stance in the depiction of women, shown in the character of Eve. The traditional rhetoric of the 17th century encouraged p...

Looking at a cholinergic synapse:The action potential arrives at the presynaptic knob. This causes voltage-gated calcium ion channels to open, and calcium ions to diffuse into the presynaptic knob.The influx...

The Kinked Demand Model is used by economists to explain price stability in ologopolistic markets (markets with only a few large firms, such as the cinema industry). It shows how prices normally remain stabl...

The arrival of an action potential at the end of the presynaptic neurone causes Ca 2+ protein channels to open Ca 2+ ions diffuse into the synaptic knob by facilitated diffusionCa 2+ ions cause synaptic vesi...