Compare and contrast a protein and a lipid
Protein Both Lipid
Made of amino acids Essential nutrients Made of fatty acids
4 calories per gram Very little fiber in them 9 calories per gram
Building blocks of the cell/body Any extra calories are stored as Storage of excess calories
Not associated with a common fat Too much causes heart and
disease Often found in animal products blood vessel disease
No transport molecules Less frequently found in plants Transported in the blood by
mentioned Often needs refrigeration lipoproteins LDL and HDL
Proteins and lipids are similar because they both are essential nutrients. They both have very little fiber
in them. If you eat too much of either one, the extra calories are stored as fat. They are both often
found in food from animals and infrequently found in food from plants. The both often need
refrigeration.
They are different because protein has 4 calories per gram and lipid has 9. Protein is made of amino
acids and lipids are made from fatty acids. Protein is used to build cells and the body, and lipids are
used to store extra calories. Lipids can cause heart and blood vessel disease and proteins do not. Lipids
are transported in the blood by LDL and HDL and proteins are not