Unit 1B Biomolecules Create a Unit Title Page on the next blank page on the right.

Set up your notebook for Cornell Notes Title your notes: Biomolecules

You are what you eat!

What happens to the food you eat? Food (made of biomolecules) gets broken down into its basic building blocks or monomers. Then, it is absorbed into the blood from the small intestines. Lastly, it is taken up by the trillions of cells in your body to be converted into energy (ATP) or building materials. mitochondria

Element

Elements of Life Carbon (C) Hydrogen (H) Oxygen (O) Nitrogen (N) Phosphorus (P) *Carbon is the main element of life.

Biomolecules Also called Macromolecules 4 types: Carbohydrates Lipids Proteins Nucleic acids Why do you eat food?  For building materials and energy!

Carbohydrates Made up of C,H,O Function: source of energy Examples: sugar, rice, apples, bread Polymer: polysaccharide (carbohydrates) Monomer: monosaccharide Monosaccharide

Lipids Made of C,H,O Function: Store energy Examples: wax, oil, butter, cholesterol Structure: 1 glycerol and 3 fatty acids

Proteins Made of C,H,O,N Function: Building and repairing cells, speeds up or slows down chemical reactions Examples: meat/muscle, hair, nails, enzymes Polymer: Polypeptide (proteins) Monomer: amino acid

Enzymes Proteins that speed up chemical reactions in the cell (catalysts). Catabolism - breaking molecules Anabolism – making molecules

Nucleic Acids Made of C,H,O,N,P Function: Store genetic information, determines physical appearance Example: DNA, RNA, ATP (energy) Polymer: nucleic acids Monomer: nucleotides

What biomolecule is the following?

Nucleic Acid

What biomolecule is the following? Carbohydrate

What biomolecule is the following? Carbohydrate

What biomolecule is the following? lipid

What biomolecule is the following? Protein