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When answering these questions, you will do some simple calculations (you can use a spreadsheet program like Excel or show your work in this document). Due to rounding, your answer may not exactly match the correct answer, but we have made the multiple choice options such that there is an […]

As multicellular organisms decelop from embryo to adults, gap junctions are made and broken in specific patterns, involving specific tissues. This suggests that these junctions play an important role in signalling between cells during embryonic development. A) With the understanding of Gap junctions, speculate on what sorts of signalling molecules […]

With much of the focus of atmospheric pollution on climate-changing gases such as carbon dioxide (CO2), there can be a tendency to downplay the risk posed by other pollutants. One such pollutant is sulfur dioxide, the chemical involved in acid rain, which is discussed in your chapter readings, and can […]

you are shopping in the stores for this fancy perfume your mom likes and have found it for $125.00 per 1 liter bottle. not impressed with the price, you turned to the internet and found a price at 12 cents (0.12) per milliliter for a 1 liter bottle with free […]