Molecular basis of life

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Presentation transcript:

Molecular basis of life Biomolecules Molecular basis of life

Polymers Monomer-one unit Polymer-many units “mer” means unit “mono” means one Monomer-one unit “poly” means many Polymer-many units Polymers are made of many monomers

Four majors types of Biomolecules Carbohydrates Lipids Proteins Nucleic Acids

Carbohydrates Monomer-simple sugar like glucose Blank Monomer-simple sugar like glucose Stores energy and provides structure Simple Sugars Glycogen Starch – in plants

Candy Question What are lipids?

Lipids Used to store energy Important categories Structure One gram of fat contains over twice the energy of one gram of carbohydrate Important categories Fats, Oils, Waxes Steroids Phospholipids Structure Glycerol molecule + 3 fatty acids

Proteins Monomer-amino acid Provide structure and help chemical reactions Enzymes-speed up chemical reactions

Candy Question What is the last type of biomolecule? What is a common name for this type of biomolecule?

Nucleic Acids Monomer-Nucleotide Stores and transmits genetic information Two types Deoxyribonucleic acid – DNA Ribonucleic acid - RNA

Candy Question What is the relationship between a monomer and a polymer?

Candy Question Without looking, name the four types of biomolecules.

Candy Question What do enzymes do?

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