Here's a breakdown of what cells are made of:
* Organic molecules:
* Proteins: Essential for structure, function, and regulation.
* Carbohydrates: Provide energy and structural support.
* Lipids (fats and oils): Provide energy storage, insulation, and cell membrane structure.
* Nucleic acids (DNA and RNA): Carry genetic information and direct protein synthesis.
* Inorganic molecules:
* Water: The most abundant molecule in cells, essential for many cellular processes.
* Inorganic salts: Play roles in regulating osmotic pressure and cell signaling.
* Other components:
* Cell membrane: A thin, flexible barrier that surrounds the cell and controls what enters and leaves.
* Cytoplasm: The jelly-like substance inside the cell that contains organelles.
* Organelles: Specialized structures within the cell that perform specific functions.
So, while all organisms are made from cells, those cells are themselves made from a complex mix of organic and inorganic molecules that work together to create life.