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Food Macromolecules

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Food Macromolecules
Food Macromolecules
Denise Rhodes
Walden University
March 20, 2011

Food Macromolecules “Macromolecules are a source of fuel. There are four major types of

macromolecules-proteins, carbohydrates, nucleic acids, and lipids. This process

plays important roles in the life of a cell. (Macromolecules, 2002). The macromolecules that was present in the packaged food product Lipids

which are fats. According to (Alters & Alters 2009, p.49) Fats also provide more

energy in our diets that do equivalent amounts of carbohydrates or

protein. Protein was also present on the packaged food. Proteins transport and

provide muscle contraction. (Alters & Alters 2009, p.51) Proteins build,

maintains, and replaces the tissue in our body. Tissue meaning: muscles, organs,

and your immune system. They are also important for the movement of lungs,

legs, and protecting you from disease.(Learning about proteins,2008).How much

protein do we need each day? Adults should get a minimum of 0.8 grams of

protein for every kilogram of body weight per day. Increasing protein intake helps

reduce the risk of heart disease. (The Nutrition Source: Protein, 2011).

Carbohydrates are also present in the packaged food. Carbohydrates provide the

body with fuel for physical activity and proper organ function. The best sources of

carbohydrates -whole grains, vegetables, fruits, and beans- promote good health.

(The Nutrition Source: Carbohydrates, 2011)

Lipids are also present in the packaged food. Lipids are a group of

molecules that consist of fats, phospholipids, and cholesterol. This packaged food

is a part of a heart healthy diet because it has carbohydrates, low saturated fats,

and



References: Alters & Alters (2009) Biology: Understanding life,(Laureate Education, Inc., Custom ed.), Hoboken, NJ: John Wiley & Sons, Inc. Harvard School of Public Health: The Nutrition Source: Carbohydrates, Retrieved on March 17, 2011 from the World Wide Web: http://www.hsph.harvard.edu/nutritionsource/what-should-you-eat/.carbohydrates Harvard School of Public Health: The Nutrition Source: Proteins, Retrieved on March 17, 2011 from the World Wide Web: http://www.hsph.harvard.edu/nutritionsource/what-should-you-eat/ proteins. Learning About Proteins (2008) Retrieved on March 17, 2011 from the World Wide Web:http://www.kidshealth.org/kid/stay-healthy/food/protein.html.

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