Chlorine is a chemical element with the symbol Cl and atomic number 17. It's an essential mineral for humans and is used in the process of making proteins and DNA.
DNA: Deoxyribonucleic acid, a self-replicating material present in nearly all living organisms as the main constituent of chromosomes. It carries genetic information.
Proteins Synthesis: The process where cells build proteins according to instructions from DNA.
Digestive System: The system that takes in food, processes it to extract and absorb energy and nutrients, and expels the remaining waste.
AP Biology - 1.2 Elements of Life
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