Substances found in Biological Tissues

Substances found in Biological TissueProtein: Biuret solution Turns purple when present Control: pale blue/clear Glucose: Benedict's solution with heat Turns orange when present Control: pale blue/clear Starch: Potassium Iodine solution Turns black when present Control: yellow/brown Lipids: Brown paper bag Turns translucent when present Control: opaque Sodium Chloride solution: Silver Nitrate Solution Turns into a white precipitate Control: no precipitate Lignin: Analine Sulfate solution Turns into a blue green colour Control: pale blue/clear