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## Functions of elements in animal cells and plant cells | Elements | Animal cells | Plant cells | |---|---|---| | H, C, O, N | Synthesis of organic compounds. E.g.: Proteins, Lipids & Nucleic Acids. | | | S | A component of some proteins. | | | Na | Regulates osmotic pressure in cells. | No...

## Functions of elements in animal cells and plant cells | Elements | Animal cells | Plant cells | |---|---|---| | H, C, O, N | Synthesis of organic compounds. E.g.: Proteins, Lipids & Nucleic Acids. | | | S | A component of some proteins. | | | Na | Regulates osmotic pressure in cells. | No required. | | Mg | Helps in the transmission of nerve impulses. Involved in protein synthesis. Acts as a cofactor of some enzymes. | Required of the synthesis of chlorophyll. Activates enzymes in the cells. | | Ca | Required for the formation of strong bones and teeth. Helps in the contraction of muscle cells. Promotes blood clotting. | Synthesis of cell walls (cellulose.) Helps maintain the semi-permeability of plasma membranes. | | Fe | Involved in the synthesis of hemoglobin and respiratory enzymes. | Synthesis of chlorophyll. Acts as an electron carrier during photosynthesis and respiration. |