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18 Cards in this Set
- Front
- Back
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Identify STARCH
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Put sample of food in spotting tile.
Add IODINE. If starch is present---> Turns BLUE/BLACK |
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Identify GLUCOSE
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Put sample of food in a test tube.
Add BENEDICT'S SOLUTION. Heat just below boiling point for 2 mins. If glucose is present ---> Turns BRICK RED |
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Identify PROTEIN
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Add BIURET SOLUTION to sample of food.
If protein is present---> Turns PURPLE/VIOLET |
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Identify FAT
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Add sample of food to ETHANOL.
Shake. Pour into a test tube containing WATER. If fat is present---> WHITE EMULSION FORMS ON TOP. |
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Uses of Glucose 1
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RESPIRATION
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Uses of Glucose 2
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Converted into INSOLUBLE STARCH for storage
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Uses of Glucose 3
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Used to produce FAT/OIL
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Uses of Glucose 4
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Used to produce CELLULOSE for cell walls
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Uses of Glucose 5
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Used to produce PROTEINS
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Features of Arteries
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Small LUMEN
Thick WALLS Thick layer of MUSCLE AND ELASTIC FIBRES *Blood is under a LARGE AMOUNT OF PRESSURE* |
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Features of Veins
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Large LUMEN
Thin WALLS VALVES *Blood is under LESS PRESSURE* |
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Features of Capillaries
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Narrow LUMEN
Very thin WALLS (single cell thick) TINY VESSEL *Thin walls enable the EXCHANGE OF SUBSTANCES* |
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Red Blood Cell
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FLEXIBLE cell membrane
NO nucleus (more space for HAEMOGLOBIN) HAEMOGLOBIN carries oxygen BI-CONCAVE SHAPE (increases SURFACE AREA FOR OXYGEN TO DIFFUSE) |
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White Blood Cell
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- ENGULF pathogen, DIGEST pathogen with ENZYMES
- Release SPECIFIC ANTIBODIES, Attach to ANTIGENS - Release ANTITOXINS, Destroy TOXINS produced by pathogen |
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Plant Responses (GEOTROPISM)
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AUXIN
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Plant Responses (GEOTROPISM)
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ROOT grows MORE on the side with the LEAST AUXIN
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Plant Responses (GEOTROPISM)
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SHOOT grows MORE on the side with the MOST AUXIN
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Pollenation
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"The transfer of the male gametes to the female gamete"
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