Carbohydrates Page 44.

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Presentation transcript:

Carbohydrates Page 44

What is the element that most molecules in living things are made up of? Carbon

What type of structures does carbon form when binding with other molecules? Straight Branched Ring

Draw a picture of the structures

 Define monomer   Each small subunit is called a monomer.

 Define polymer   A polymer is a large molecule formed from smaller subunits bonded together.

Condensation and Hydrolysis Reactions Many polymers are formed by condensation and can be broken down by hydrolysis. In other words the reaction that occur when water is added to or removed from a polymer.

H2O O H OH Condensation Hydrolysis

 What elements make up carbohydrates? A carbohydrates is a biomolecule composed up of carbon, hydrogen, and oxygen.

1:2:1 The ratio of these elements found in a carbohydrate molecule is: C H O 1:2:1

 Name the simplest type of carbohydrate. The simplest type of carbohydrate is a simple sugar called a monosaccharide. Name some examples of the simplest type of carbohydrate. Common examples are glucose (blood) and fructose (fruits)

 Draw one.

 What type of carbohydrate is sucrose? Two monosaccharide molecules can combine to form a disaccharide…a two sugar carbohydrate. What 2 monosaccharides make up sucrose? Glucose and Fructose

 What is the “common name” for sucrose? Table Sugar

 Name the largest type of carbohydrates. The largest carbohydrates molecules are polysaccharides…polymers composed of many monosaccharide subunits.

Name some examples of the largest type of carbohydrates. Starch Glycogen Cellulose

Polysaccharides Function Starch (only in plants) Store energy for plants Glycogen (only in animals) Store energy liver for animals Cellulose (only in plants) Structural Cell Wall Support Humans cannot digest