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18 Cards in this Set
- Front
- Back
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What is a synonym for fat?
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triglyceride
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What is an unsaturated fat?
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having less than the maximum number of hydrogens
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What are saturated fats?
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maximum number of hydrogens
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What are trans fats?
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unsaturated fats converted to saturated fats by adding oxygen. associated with heart disease.
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On a food package, what does 'unsaturated fats" mean?
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Unsaturated fats are fats with some double bonds in the carbon chain of their fatty acids. these fats have fewer hydrogen atoms than they would without the double bonds.
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What are phospholipids?
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a lipid made up of glycerol joined to two fatty acids and a phosphate group, giving the molecule a nonpolar hydyophobic tail and a polar hydrophilic head. Phospholipids form a bilayer that function as biological membranes.
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What are steroids?
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lipids whose carbon skeleton contains four fused rings.
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What is cholesterol?
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Common component in animal cell membrane, and animal cells also use it as a starting material for making other steroids, including sex hormones.
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Why are human sex hormones considered lipids?
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They are steroids, one of the hydrophobic compounds grounded as lipids.
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What is a protein?
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a polymer constructed from amino acid monomers
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What is a structural protein?
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Found in hair and the fibers that make up connective tissues such as tendons and ligaments.
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Contractile proteins are found in..
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muscles
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Defensive proteins are...
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antibodies of the immune system
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signal proteins do..
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many hormones and other messengers that help coordinate body activities by communicating between cells.
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Receptor proteins
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built into cell membranes and transmit signals into cells
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transport protein
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hemoglobin in red blood cells delivers oxygen to working muscles
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Storage proteins
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ovalbumin, the protein of egg white, which serves as a source of amino acids for developing embryos
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Which of the following is not a protein:
hemoglobin cholesterol ovalbumin an enzyme an antibody |
Cholesterol
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