Tuesday, January 22, 2013

Big Idea #2

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(#1) The adhesion of water is caused by the hydrogen bonds in the water creating bonds with other surfaces. That's why water droplets will stick to your fingers, or the side of a glass.
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(#3) The plant we see before is is generating ATP through photosynthesis. ATP or Adenosine Triphosphate. The energy from ATP comes from the negativity of the phosphate groups and when the bond between them is broken it lets off a phosphate group and energy is also released.
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(#4) This plant is an Autotroph, an organism that produces its own energy. All it requires is water ,sunlight, and some nutrients from the soil.
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(#6) This pasta is an example of a carbohydrate or complex sugar. Carbs are found in all of our breads and they are  an essential building block in our bodies.
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(#10) Water has cohesive properties,meaning that it can stick to itself that's what causes water droplets to run together and make bigger ones on your windshield. This is caused by the hydrogen bonds in the water giving them a "sticky" effect.
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(#11) Things can denature or unravelling of protein especially under high heat. That's why white of an egg which was clear when it was cracked in the pan become white because of the denaturing of the proteins.
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(#15) The enzymes in the mold are breaking down the tomato. and enzymes are produced by proteins to serve a certain function.
 
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(#16)This beer(wasn't mine I swear) is an example of fermentation. To get beer one must ferment a carbohydrate(like wheat) and hops and yeast together which, when heat is applied of a period of time, ferment and turn the sugars in the carb into alcohol molecules.
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(#21) The red dot in the water is hypertonic to the water because it has a greater solute concentration than the water surrounding it.
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(#22) The water is hypotonic to the green dot creating a difference in solute concentration. Eventually this will pull water into the dot through osmosis.
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(#23) The juice is hydrophilic(likes water), meaning it is soluble in water. Over time when the ice melts it will just mix in with the juice watering it down.
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(#24) The oil is hydrophobic (afraid of water),meaning it is not soluble in water. The oil will rise to the top of the water and not mix in.
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Yogurt,like this one above, is mainly made through lactic acid fermentation in the milk with harmless bacteria. Lactic acid is also in our muscles when we do anaerobic respiration.
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(#29) Long-day plants won't bloom unless there is a long day(12 or more hours of sunlight). Lettuce and most produce are examples of long day plants.
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(#32) A saturated fat is a lipid with a straight chain allowing it to stack in denser blocks which is why it tends to be solid at room temperature. Most animal fats, including this bacon fat, are saturated fats.
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(#33) In this plant there are stomata, which are little holes that allow for water & gas movement through the plant. Also for transpiration in the plant.
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(#37) This vegetable oil is a prime example of an unsaturated fat. This lipid had double bonds in it causing kinks which doesn't allow the lipids to stack as thickly as saturated fats so they stay liquid at room temperature.
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(#38) The xylem carries water and minerals up from the roots to the leaves of the plants. Most of the little holes you see in the middle of the carrot are xylem.

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