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Ca2+ channels are only in the membrane of the presynaptic neuron. ACh-containing vesicles are only within the presynaptic neuron. (ACh only produced within the presynaptic neuron, has choline and acetyl)A...

Point mutations can affect a protein in various ways, depending on the type of point mutation that has occurred. Substitution mutations can be silent, causing no change in...

The Gilded Age was the period in the US history from c.1870 to 1890 which saw rapid economic growth and an increase in industries such as railways, mining, iron and steels and the financial sector.The Gil...

For a strategy to be 'sustainable' it must meet the needs of today without compromising the needs of the future and causing environmental degradation. Therefore, it is important to assess the social, econ...

c = 4-d/d+3 x d+3 = c(d+3)= 4-d = cd +3c= 4- d = cd+d=4-3c. = d(c+1)=4-3c = d= 4-3c/c+1