Organic Macromolecules. Organic Contains carbon and hydrogen atoms together Example: –CH 4 :methane –CO 2 :carbon dioxide –C 6 H 12 O 6 : sugar –H 2 O:water.

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Presentation transcript:

Organic Macromolecules

Organic Contains carbon and hydrogen atoms together Example: –CH 4 :methane –CO 2 :carbon dioxide –C 6 H 12 O 6 : sugar –H 2 O:water

Macromolecules Four important macromolecules that we will study: 1)Carbohydrates 2)Lipids 3)Proteins 4)Nucleic acids

Macromolecules Polymer: large unit made up of smaller subunits Monomer: subunits Monomers are linked together to form polymers Linkage occurs by dehydration synthesis OR condensation reactions.

Dehydration Synthesis / Condensation

Dehydration Synthesis Joining two monomers by the removal of a water molecule ANABOLIC monomer + monomer  polymer + water X – OH + HO – X  X -O- X + H 2 O

Example 1

Example 2

Hydrolysis Opposite of a condensation reaction Uses a water molecule to break apart monomers CATABOLIC polymer + water  monomer + monomer X -O- X + H 2 O  X – OH + HO – X