"phospholipids are a class of " a option a. carbohydrates b option b. proteins c option c. fiber d option d. lipids

Phospholipids are a class of lipids.

Phospholipids are a class of lipids and a significant component of all cell membranes. They are amphipathic molecules which means that they have a head that is hydrophilic (attracts water) and a tail that is hydrophobic (it repels water). The hydrophilic head has a negatively charged phosphate group, which is polar and which makes it hydrophilic. The hydrophobic tail typically consists of long fatty acid carbonic hydrogen chains. As a result, phosphates in water always turn to water and fatty acids to each other. In this way, a bilayer of phospholipid is formed which in the construction of the cell membrane prevents the release of the liquid content.

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