4.1 Chemical Composition of the Cell

The elements found in the cell include carbon,  oxygen,  hydrogen,  nitrogen,  sulphur,  phosphorus,  calcium, sodium, potassium,  magnesium, iron  chlorine,  The chemical compounds in the cell can be classified into two groups,  organic: compounds which contain the element carbon and originate from living things. Example: carbohydrates, lipids, proteins and nucleic acids inorganic: compounds which do not originate from … Read more