by: Emelia Butler

What are Carbohydrates?

Carbohydrates are large molecules that are made of Carbon, Hydrogen, and Oxygen. They store energy and make up physical structures. Carbohydrates also help to hold molecules of DNA and RNA together.

What do living things use Carbohydrates for?

Living things use carbs for energy in the form of food. Also, carbohydrates help hold together DNA and RNA and they make up physical structures.

Where are Carbohydrates Found in Living Things?

Carbohydrates are found in products made by green plants. Such as, potatoes, rice, bread, cereal, fruit, vegetables, and sugars.
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What are the Different Types of Carbohydrates?

Carbohydrates are also called saccharides. Saccharides are divided into four groups called monosaccharides, disaccharides, oligosaccharides, and polysaccharides.


Monosaccharides are simple sugars like Glucose, Fructose, andGalactose. Monosaccharides consist of one sugar unit and can dissolve in water.
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Disaccharides are two Monosaccharides bonded together. Examples of Disaccharides are Sucrose, Lactose, and Maltose. Sucrose is table sugar and Lactose is found in milk.
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Oligosaccharides are three to nine Monosaccharides that occur in fruits and vegetables and Humans cannot fully digest them.


Polysaccharides are long chains of Monosaccharides bonded together and it contains at least ten simple sugars. Some examples are Cellulose, Chitin, and Starch.
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How do Carbohydrates Relate to your Life?

Carbs are in a lot of foods that you eat.


Galactosemia is a high blood level of Galactose caused by lack of enzymes necessary for metabolizing Galactose or sugar in milk. Some symptoms are jaundice, abnormal growth, vomiting, and diarrhea but can only be seen in a blood test.
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Lactose Intolerance

Lactose intolerance happens when your small intestine doesn't make lactose. Lactose is an enzyme that your body needs to help break down and digest lactose. Lactose intolerance causes symptoms like stomach pain, gas, and bloating.

Works Cited

1."Carbohydrate." UXL Encyclopedia of Science. Ed. Amy Hackney Blackwell and
Elizabeth Manar. 3rd ed. Farmington Hills, MI: UXL, 2015. Science in
Context. Web. 21 Sept. 2015

2."Carbohydrates." UXL Complete Life Science Resource. Ed. Julie Carnagie and

Leonard C. Bruno. Detroit: UXL, 2009. Science in Context. Web. 22 Sept.

3.Sanders, Lee M. "Disorders of Carbohydrate Metabolism." Merck Manual. N.p., n.d.

Web. 8 Oct. 2015. <

4.WebMD. N.p.: n.p., n.d. WebMD. Web. 8 Oct. 2015. <