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Calcium ions, which diffuse in from the sarcoplasmic reticulum, cause tropomyosin to shift which reveals the myosin binding site located on the actin filament allowing the myosin head to bind. A molecule ...

Insulin is a hormore secreted by the pancreas, and its basic function is to make blood sugar (glucose), be absorbed into the body. Now we can imagine that this happens when the blood sugar is too high, be...

  Frankenstein’s structure is that of a frame narrative, which is used to emphasise the Doppelganger effect and the gothic convention of 'The Other' both familiar and unfamiliar to our human condition. Th...

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how are shells arranged?

how do electrons arrange themselves within the shells?

how many electrons per shell?

types of shells

how to write the a...

I was always told that the subjunctive can be seen as a mood as opposed to a tense as the use of it depends on the context of a sentence. For starters, it almost always follows a clause e...