BIOLOGY MINI PROJECT

CARBOHYDRATES

• Chemical composition: 1 hydrogen, 2 carbon, 1 oxygen
• Function: serves as a source of energy, structural material.
• Examples: Glycogen, starch, cellulose

PROTEINS

• Chemical composition: Carbon, hydrogen, oxygen,nitrogen, and sulfur
• Functions: forms hair,horns,skin,muscles, and biological catalysts
• Examples: amino acid, polypeptide

LIPIDS

• Chemical composition: Carbon, hydrogen, oxygen
• Function: stores energy, insulates body (holds heat), protection against physical shock, chemical messengers
• Examples: fats, oils, triglycerides, wax

NUCLEIC ACID

• Chemical composition:Carbon, hydrogen, oxygen, phosphorus, nitrogen.
• Function: helps transfer important information to the cell.
• Examples: DNA, RNA

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