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Friday, September 13, 2019

Final Exa, Essay Example | Topics and Well Written Essays - 1000 words - 1

Final Exa, - Essay Example Solution A is hypotonic; B is isotonic while that of C is hypertonic. In the case of the solution A, the celery cell will imbibe water molecule and bulge due to osmosis. In the case of solution B, there will be no change in the shape of the celery cell (Campbell, & Reece, 2005). This is because they are of equal concentration and water molecules will be getting into the cell and leaving at the same rate. Lastly, in the solution C, the celery cell will lose shape due to loss of water molecules from the cell-the surrounding is more concentrated than the cell with solute (Campbell, & Reece, 2005). 59. The genotypes of the offspring’s will be; pP-Yy, Pp-Yy, Pp-yy, pp-yy. The phenotypes of the off springs then will be 2 yellow and plump, 1 yellow and shrunken, 1 purple and shrunken. These phenotypes are demonstrated in that manner because P and Y are dominant genes and will always prevail. 60. One of the major environmental problems facing the world is the release of greenhouse gas into the atmosphere resulting into the increased global warming. The problem is much palpable in the heavily industrialized nations that embrace technology and machinery in large scale. The release of chlorofluorocarbons, methane, carbon monoxide and other gases regarded as greenhouse gases do contribute to the entire global warming. 61. Some structures are only found in plant and not in animals these includes; Cell wall, chloroplast, and cell vacuole. The cell wall helps in the maintenance of turgor pressure experienced by the plant cell when they imbibe more water. The chloroplasts on the other hand do help the plant with the provision of chlorophyll with is the sole light trapper for the process of photosynthesis to take place. The cell vacuole also plays a very important role in the maintenance of the plant structure. 62. The term biome is used to refer to the terrestrial habitats. In the Biome, the climatic systems tend to condition certain characteristics on the plant and

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