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The cell membrane consists of a phospholipid bilayer. Phospholipids are molecules with a hydrophilic (water loving) tail. And a hydrophobic (water repelling) tail. The cell environme...

by completing the square we write the equation as (x+b/2)^2-b/2^2+c, in this case b=8 (the coefficient of x) and c=5 so we have (x+4)^2-16-5=0, which equals (x+4)^2-21=0. Now by rearranging we get (x+4)^2...

The bowman's capsule, Proximal convoluted tuble, loop of Henle (descending and ascending lims), distal convolued tubule and the collecting duct. The descending limb is permeable to water. The ascending li...

Siempre me ha gustado aprender idiomas. Empecé con inglés desde que era pequeña, en la primaria, y seguí estudiandolo hasta el año pasado en el bachillerato. A través del utilizo diario de esta lengua, es...

For the unheard essay question, you must try and repeat the unknown piece to one of your set works. The question will already outline certain categories to listen out for such as melody, harmony and textu...