'Iodine solution' presentation slideshows

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Practical Biology Biol 101 Lab 6

Practical Biology Biol 101 Lab 6. Hail University Faculty of Sciences Department of Biology. Osmosis and Diffusion Prepared by Hewida Zaki Edited by Eman El- Abd. Objectives. Demonstrate diffusion across a semi-permeable membrane

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Interest Problems

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Photosynthesis ????

Photosynthesis ????. ??????????? ???. Chloroplast under electron microscope. ??????????. Quick Revision : Where does photosynthesis occur ?. Leaf ??. X-section ??? : Palisade mesophyll ????. Chloroplast ???. Warm-up Questions.

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Chemical vs. Physical Change

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Strand 5

Strand 5. Knows that materials made by chemically combining two or more substances may have properties that differ from the original materials. GLEs Knows the difference between physical and chemical changes. Color Change. Cornstarch Invisible Ink Bleaching Food Coloring

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Microbiology

Microbiology. Review of Gram Stain Selective and differential Media. Gram Positive Bacteria. Staphylococcus aureus Streptococcus salivarius Bacillus subtilis Staphylococcus epidermidis. Gram Positive Cell Wall. Gram Negative Bacteria. E. coli Pseudomonas aeruginosa Proteus vulgaris

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Transport of Molecules in a Cell

Transport of Molecules in a Cell. Terms to Know. SOLUTE: refers to the substance that is to be dissolved (Salt, Sugar) SOLVENT : responsible for dissolving the solute (Water) SOLUTION : Solvent and solute after combining together ECF : Extracellular Fluid. Surrounds all living cells

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Forensic Biology by Richard Li

Chapter 9: Identification of Saliva and Other Biological Fluids. Forensic Biology by Richard Li. Saliva: Biological Characteristics. Human salivary glands produce 1.0-1.5 liters per day Mostly water Amylase- digests starch in the oral cavity and small intestine Two types of amylase

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4.4 (a) To investigate the effect of temperature on amylase activity

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What sorts of carbohydrates do plants make?

What sorts of carbohydrates do plants make?. Glucose and other sugars such as sucrose and fructose are soluble so need to be linked together in long chains to make substances like starch and cellulose. Starch is useful for storing sugar. Cellulose is used to build plant cell walls.

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Measuring Amounts of Vitamin C in Apple Juice

Measuring Amounts of Vitamin C in Apple Juice. Leah Bury, Grade 9. Using titration to find out which type of apple juice (from concentrate, not from concentrate) contains the most vitamin C. Research.

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KNOW YOUR MICROSCOPE Quick Quiz 5

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I cant talk, I have laryngitis

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7. Food Energy Values

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Food Tests

Food Tests. Grade8. Test for starch. Collect the food sample (liquid) in a test tube. Add few drops of iodine solution.(yellowish brown) If the colour changes from yellowish brown to blue black then this substance contains STARCH. Test for fat.

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HIGHER CHEMISTRY REVISION .

(a) (i) 2H 2 (g) + O 2 (g) ? 2H 2 O(l) (ii) from left to right. (b) No-polluting as water is final product. Burning petrol releases harmful gases into the atmosphere. HIGHER CHEMISTRY REVISION. Unit 3 :- Redox Reactions.

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What are chloroplasts?

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Biology Presentation Group member Babjey Jamyang Dorji Doe Kumar Kharka Ugyen Dorji

Biology Presentation Group member Babjey Jamyang Dorji Doe Kumar Kharka Ugyen Dorji. 1.Aim : To check the conduction of water through xylem Materials required: - Beaker Stand Knife Water Leafy shoot/ twig.

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