Lipids Flashcards
Why are fats so important?
Maintaining healthy skin and hair, insulating body organs against shock, maintaining body temperature, promoting healthy cell function and energy storage
What are lipids?
Lipid is the general term for fats (solids), oils (liquids) and their related compounds (waxes and sterols)
What are some of the properties of lipids?
Relatively small molecules, hydrophobic or amphiphilic
What does hydrophobic mean?
Water fearing = non-soluble in water
What does amphiphilic mean?
both loving = one end is soluble in water, one end is non-soluble in water
What does hydrophilic mean?
Water loving = soluble in water
What is a adipose cell?
It is a fat cell
Cells in adipose tissues contain…
…high levels of fat
Adipose cells are the body’s means of…
…storing metabolic energy over extended periods of time
Lipid molecules carry much more…
…energy per molecule than any other organic compound
What two molecules are fats made of?
Glycerol and fatty acids
What is one fatty acid connected by an ester bond to a glycerol called?
Monoglycerid
What is two fatty acid connected by an two ester bonds to a glycerol called?
Diglyceride
What is three fatty acid connected by an three ester bond to a glycerol called?
Triglyceride
What is the most common type of fat?
Triglyceride