biology test need done asap
Annette observed that if she put salad dressing on her salad in the morning before leaving home, by lunch time she found excess liquid in her container and the greens were wilted. Why does this happen?
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Solution A: Egg swells to about twice its original size.
Solution B: Egg absorbs bright green color, but remains original size. Solution C: Egg shrivels to about half of its original size. Solution D: Egg remains largely unchanged.
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![]() However, some bacteria have developed a way to increase the genetic diversity of their population. They do this using smaller, circular strands of DNA, that can be passed along from one bacterium to the next without the need for cellular division. These small DNA strands are known as what? |
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Blood pressure results from the force of blood fluids pressing against the walls of blood vessels. Hypertension, or high blood pressure, is often caused by a constriction of the blood vessels by fatty deposits in artery walls. However, another cause of high blood pressure can be the intake of too much sodium in foods and table salt.
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16) | ![]() ![]() The potato has a cavity on top, as shown in the picture. Some sugar solution is poured into the cavity and the potato is placed in a beaker of water. After some time, it is observed that there is a rise in the level of liquid in the cavity. This confirms that |
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