Search over 10,000 free study notes

They are used to describe two different types time in the past. The imperfect is used largely to describe an ucompleted action (Estaba en el telefono cundo mi madre gritó) or an interruped action, a repea...

Formula for nth term in a geometric progression = ar^n-1

workings:  

a=12

r=1.5  because 18/12 = 1.5

Thus, using ar^n-1  -->   12 * 1.5^8 = 307.54... or 308 (to 3sf)

...

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...