3.1g) What are the different chemical necessary for the organisms?

 

The different chemicals necessary for organisms include:

1. Water – for hydration and chemical reactions.
2. Carbohydrates – for energy.
3. Proteins – for growth, repair, and enzymes.
4. Lipids (Fats) – for energy storage and cell structure.
5. Nucleic Acids (DNA & RNA) – for genetic information and protein synthesis.
6. Minerals – for body functions (e.g., calcium, iron).
7. Vitamins – for metabolic processes and health.