Biomolecules: FUNCTIONS

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Presentation transcript:

Biomolecules: FUNCTIONS Objective: compare/contrast the 4 biomolecules’ structures and FUNCTIONS Molecules are groups of atoms Organic Molecules are molecules that contain CARBON There are 4 organic molecules that are present in ALL living things: 1. Carbohydrates 2. lipids 3. Proteins 4. Nucleic Acids

Major Functions: Carbohydrates are used for short term ENERGY STORAGE. (e.g.,sugars and starches)

Carbohydrates aka carbs (made up of sugars)

Major Functions: Carbohydrates are used for short term ENERGY STORAGE. (e.g.,sugars and starches) Lipids are used for long term ENERGY STORAGE and CELL MEMBRANE STRUCTURE (e.g., fats and phospholipids)

LIPIDS AKA FATS

Major Functions: Carbohydrates are used for short term ENERGY STORAGE. (e.g.,sugars and starches) Lipids are used for long term ENERGY STORAGE and CELL MEMBRANE STRUCTURE (e.g., fats and phospholipids) Proteins are used for STRUCTURE, CELL TRANSPORT, CATALYZING REACTIONS (enzymes) (e.g., keratin and lactase)

Proteins:

Major Functions: Carbohydrates are used for short term ENERGY STORAGE. (e.g.,sugars and starches) Lipids are used for long term ENERGY STORAGE and CELL MEMBRANE STRUCTURE (e.g., fats and phospholipids) Proteins are used for STRUCTURE, CELL TRANSPORT, CATALYZING REACTIONS (enzymes) (e.g., keratin and lactase) Nucleic Acids are used for STORING INFORMATION (e.g., DNA and RNA)

Nucleic acid

Biomolecular Structure What are the building blocks of the 4 biomolecules? Structure = arrangement; what something is made of Structurefunction

Monomer = one small unit that makes up a polymer Biomolecules are polymers. Polymers are made up of monomers Monomer = one small unit that makes up a polymer Polymer = many monomers stuck together Mono = ‘one’ Poly = ‘many’

Carbohydrate Structure Monomer = monosaccharide (aka simple sugars) Example: glucose, fructose Polymer = Disaccharide Example: sucrose (table sugar) Polymer = polysaccharide Example: Starch

2. Lipid Structure Polymer =Lipid Monomer = fatty acids Long chains of Carbon with Hydrogens attached Polymer =Lipid Example: Phospholipid

3. Protein Structure Polymer = Polypeptide Monomer = amino acid (there are 20 different a.a.) Polymer = Polypeptide ~Amino acids connected by peptide bonds Polymer = Protein ~folded/twisted polypeptides

Nucleic Acid Structure Monomer = nucleotide Polymer =Nucleic Acid Example: DNA, RNA

Monosaccharide Amino Acid Fatty Acid Nucleotide

Exit Ticket: Monosaccharides make up __________________ Fatty acids make up _______________________ Amino Acids make up _______________________ Nucleotides make up ________________________