The main function of phloem is to transport food from the leaves to other parts of the plant.
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The five types of cells that make up the phloem are sieve cells, sieve tubes, companion cells, phloem fibres, and phloem parenchyma.
In a normal dry cell, the electrolyte is a paste-like mixture typically composed of ammonium chloride (NH4Cl) and zinc chloride (ZnCl2). This electrolyte serves to facilitate the chemical reactions that generate electric current within the cell.
When the length of a wire is doubled from L to 2L, the resistance of the wire will change due to the relationship between resistance and length in electrical conductors.
The SI unit of specific resistance, also known as resistivity, is the ohm-meter (symbol: Ω·m). Resistivity quantifies the intrinsic resistance of a material to the flow of electric current. It is a characteristic property that depends on the material’s composition ...