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IMG_0004_NEW_0012 - What is the role of starch in pea...

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Cell Structure and Function The cell components should rank as follows from the most to the least dense: cell wall fragments, starch grains, nuclei, chloroplasts, mitochondria. It so happens this is also the order you would rank the components with respect to size, so at least in this exercise, density and size are directly related. But density and size do not always relate directly to each other. A piece of wood, for example, is larger than a one carat diamond but less dense.
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Unformatted text preview: What is the role of starch in pea seeds? Seeds are planted in the soil and until they sprout and the plants produce leaves above ground, they cannot produce energy by photosynthesis. Therefore, starch is stored energy for the germination of the seed and growth of the plant embryo before the first leaves are produced. This concludes the lab. Before you leave, remember to look at the sample lab exam question and answer. @ Thong / 2008 ll...
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This note was uploaded on 12/13/2010 for the course MATH 251 taught by Professor Unknown during the Spring '08 term at Simon Fraser.

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