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The phospholipid bilayer is the main component of the plasma membrane. Phospolipids consist of two parts with different properties. One part is often referred to as 'head' or 'water-loving', which is hydr...

They are equations with variables that we have to find. They hold in the same time.

Has O–H (bonds)OR has hydroxyl (groups) OR has hydroxy (groups)
Forms hydrogen bonds with water (molecules)

x is a positive number - the question for us is what the value of x is. To find this, we will have to rearrange the equation given. There are multiple ways of doing this. Firstly, we can make the equation...

The harmonic elements that are common in 20th century music are the regular use of dissonance, and a lack of classical chord progressions. This dissonance is also unlikely to be prepared as seen with musi...