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substance used to test for the presence of starch. It is a mixture of elemental iodine, potassium iodide or sodium iodide, dissolved in a mixture of ethanol and water.
the neurons that link motor and sensory neurons within the central nervous system.
the parts and processes of the body that recognise and fight pathogens, such as viruses and...
fats that are liquid at room temperature. They are found in plants.
the cylinder of parenchyma found from the centre of the stem to the inside of the vascular...
drugs that are used to treat infections caused by bacteria. Many antibiotics are produced by...