Biology, 27.07.2019 18:30 ecarter8967
Two petri dishes of radish seeds are prepared as follows: a disk of absorbent, but otherwise inert, filter paper is placed in the bottom of each dish and 5 ml of distilled water are added to each disk, then two grams of dry radish seeds are spread over each moist disk. one dish is put in a dark cupboard and the other is put on a sunny windowsill. the investigator checks the dishes daily and adds water equally as needed. seeds in both treatments germinate within 2 days. at the end of 10 days, the plant material on each petri plate is dried and weighed. the results are:
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Sperm pass through the and connect to a short ejaculatory duct. vas deferens prostrates seminiferous tubules none of the above
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The “ecological footprint” left by a citizen of a developed nation is about four times larger than that left by a citizen of a developing nation. why is this the case?
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This is a membrane-bound, disk-shaped compartment inside chloroplasts and cyanobacteria. they are the site of the light-dependent reactions of photosynthesis.
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Two petri dishes of radish seeds are prepared as follows: a disk of absorbent, but otherwise inert,...
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