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Lipids - Coggle Diagram
Lipids
Types
Phospholipid
Is a class of lipids whose molecule has a hydrophilic "head" containing a phosphate group, and two hydrophobic "tails" derived from fatty acids, joined by a glycerol
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Steroid
a man-made version of chemicals, known as hormones, that are made naturally in the human body. Steroids are designed to act like these hormones to reduce inflammation.
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Key terms
Mosaic: The fluid mosaic model explains various observations regarding the structure of functional cell membranes.
Micelle: A micelle or micella is an aggregate of surfactant molecules dispersed in a liquid, forming a colloidal suspension
Amphipathic: An amphiphile is a chemical compound possessing both hydrophilic and lipophilic properties.
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Building block molecules
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Proteins
Alpha-helix protein
are protein sequences that fold into a helical structure upon contact with a polar/non-polar interface
Channel protein
a type of transport protein, acts like a pore in the membrane that lets water molecules or small ions through quickly.
Peripheral protein
are membrane proteins that adhere only temporarily to the biological membrane with which they are associated.
Integral protein
is any protein which has a special functional region for the purpose of securing its position within the cellular membrane.
Function: Storage and Source of energy, Hormonal roles, Insulation, Protection, and Structural components.
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Linkage: lipids form an ester linkage between the carboxyl group of a fatty acid and the hydroxyl group of an alcohol monomer
Properties: Lipids may be either liquids or non-crystalline solids at room temperature, Pure fats and oils are colorless, odorless, and tasteless.
