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The Chemical Basis of Life. Organic and Inorganic Molecules. Chemical Elements in Living Matter. Living matter consists mostly of four (4) elements: Carbon (C) Hydrogen (H) Oxygen (O) Nitrogen (N). INORGANIC COMPOUNDS.
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The Chemical Basis of Life Organic and Inorganic Molecules
Chemical Elements in Living Matter • Living matter consists mostly of four (4) elements: • Carbon (C) • Hydrogen (H) • Oxygen (O) • Nitrogen (N)
INORGANIC COMPOUNDS • These are usually SMALL and SIMPLE molecules and LACK combinations of Carbon and Hydrogen. Examples: H2O, NaCl, CO2, HCl, NaOH
ORGANIC COMPOUNDS These molecules are usually LARGE and COMPLEX and they ALWAYS contain CARBON and HYDROGEN combined TOGETHER. Examples: C6H12O6 (glucose), C12H22O11 (sucrose) C50H98O6 (polysaccharide)
CARBOHYDRATES • Contain CARBON (C), HYDROGEN (H), and OXYGEN (O) • Sugars and Starches are carbohydrates • Provide energy for living things • Are made up of one (1) or more SUGAR molecules
(1) Sugar MONOSACCHARIDES SIMPLE SUGARS like GLUCOSE
(2) Sugars DISACCHARIDES DOUBLE SUGARS like Maltose Sucrose Lactose
Many Sugars POLYSACCHARIDES COMPLEX SUGARS CHAINS OF 3 or MORE SUGAR MOLECULES STARCH & CELLULOSE (plants) GLYCOGEN (animals)
LIPIDS – Contain Carbon, Hydrogen, and Oxygen • Fats, Oils, and Waxes • Concentrated Energy Storage • Insulate & Protect (waterproof surfaces) • Major component of cell membranes • Made up of GLYCEROL and FATTY ACIDS
PROTEINS – Contain Carbon, Hydrogen, Oxygen, and Nitrogen • Make up parts of muscle, skin, and hair • Make up chemicals such as enzyme and hormones that regulate reactions in body • Made up of long chains of AMINO ACIDS
NUCLEIC ACIDS – Contain Carbon, Hydrogen, Oxygen, Nitrogen, and Phosphorus DNA BLUE PRINT OF LIFE Hereditary Material Made up of NUCLEOTIDES Double-Stranded Contains the sugar DEOXYRIBOSE
RNA • Helps to make PROTEINS (Protein Synthesis) • Made up of NUCLEOTIDES • Single-Stranded • Contains the sugar RIBOSE
DIAGRAM OF A NUCLEOTIDE 2 3 1 5-Carbon Sugar