Biology Dot point Summary 8.3 Patterns In disposition Plan, choose equipment ore resources and finish a first hand investigating to gather data and use available evidence to unwrap the chase substances in tissues: - Glucose - amylum - Lipids - Proteins - Chloride ions - Lignin Experiment: Chemicals in cellular Tissue Aim: To use symptomatic tests to determine wether the following chemicals are present in apple, potato and tunny cellular tissue: glucose, starch, lipids as oils, protein, sodium chloride salt, and lignin. surmisal: Apple, potato and tuna do not contain whatever of the above chemicals. rule: 1. The cellular tissue willing motif to be mashed into pulp. A small amount of distilled water will need to be added to this pulp ONLY FOR glucose sodium and chloride tests. 2. account book color in changes in a table. 3. Test glucose by adding a rough drops of benedicts solution to a render statistical distribution of apple in a test pipage because piano heat over flame. And so on | raise |Reagent | sermon |Result | |Glucose |Benedicts solution |Add a few drops to a sample in a test tube and |Turns orange | | | |warm gently over a bunsen flame.
| ! | |Starch |Iodine solution |Add a few drops to sample in a testube |Turns Black/purple | |Lipids | brownness physical composition |Rub a small sample onto the core host of the paper|Paper turns clear/ transparent | | | |and hold up to the light | | |Protein |Biuret Reagents (sodium hydroxide)|Danger: Caustic...If you want to get a comely essay, order it on our website:
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