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5 Cards in this Set

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what is a lipid?
a lipid is one of a class of water-avoiding compounds.
when a molecule is 'hydrophobic' it..
'avoids water molecules'
What is a Fat?
A Fat is an organic compound consisting of a three-carbon backbone (glycerol) which is attached to three fatty acids.
what is the difference between a saturated fat and a unsaturated fat?
a saturated fat is a fat in which all three fatty acid chains contain the maximum possible number of hydrogen atoms. While the unsaturated fat is a fat with less than the maximum number of hydrogens in one or more of its fatty acid chains.
Most animal fats (such as lard and butter) are saturated and are solid at room tempature.
what is a steriod and what are it's functions?
a steroid is a lipid molecule with four fused carbon rings.
Some steroids circulate in your body as chemical signals. While others, known as Cholesterol, are an essential molecule found in the membranes that surround your cells.