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Lipids, Sofia Alvarado, Andrea Andujar, Belen Guin, Daniella Manrique,…
Lipids
Unsaturated fatty acids
large carbon chains
one or more double bond
have less saturation of hydrogen
monosaccharides
simple sugar
antioxidants
prevent peroxidation
Saturated fat
Molecules full of hydrogen
Made mostly of single bonds
Which
Makes them harder to break down
Common lipids
include
Phospholipids
They are separated in two
The body
Non-polar
Hydrophobic
Inside the cell
Because doesn't like the water
The head
Polar
Hydrophillic
Cell exterior
Because like the water
They make up the cell membran
It's position is always like a mirror
They sef organize
Keeping the head wet and the tail dry
Steroids
man-made version of chemicals
hormones
made naturally in human body
natural
synthetic
therapeutic
reduce inflammation
organic compound
4 fused rings
components of cell membranes
alter membrane fluidity
signaling molecules
17 carbon atoms
hydrophobic
insoluble in water
most common steroid:
cholesterol
estrogen
progesterone
testosterone
aldosterone
vitamin "D"
cortisol
bile salts
Triglycerides
Combination of glycerol and 3 fatty acid molecules
MAin constituent of body fat
Also found in fats derived from plants
Metabolism
The sum of all chemical reactions that occur in cells
Anabolism
is
the process of synthesizing the molecules of lipids from simpler ones, to store energy
fatty acids are created in the presence of synthases
then
these fatty acids are joined with a variation of glycerol
which results
1 more item...
Lipid catabolism
or Lipolysis
is
The process of breaking down the molecules of lipids into simpler ones, with release of energy
Under the influence of lipases, lipids break down into glycerol and free fatty acids
which
then are available for cellular uptake
Sofia Alvarado, Andrea Andujar, Belen Guin, Daniella Manrique, Micaela Salcedo
