9th biology new book 2025|| Chapter 6 || Biomolecules|| Punjab curriculum textbook board скачать в хорошем качестве

9th biology new book 2025|| Chapter 6 || Biomolecules|| Punjab curriculum textbook board

Biomolecules are essential organic molecules found in living organisms. They are the building blocks of life and are involved in various biological processes. The four major classes of biomolecules are carbohydrates, lipids, proteins, and nucleic acids. Key Biomolecules and their Functions: Carbohydrates: Major source of energy for living organisms. Examples include sugars and starches. Lipids: Involved in energy storage, cell membrane structure, and hormone production. Examples include fats, oils, and waxes. Proteins: Perform a vast array of functions, including structural support, enzyme catalysis, and transport. Examples include enzymes, hormones, and antibodies. Nucleic acids: Store and transmit genetic information. Examples include DNA and RNA.