False. The leg consists of the femur, patella, tibia and fibula. Which is the entire leg.
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A polar molecule is a molecule that has a positive and negative charge at either end.
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I believe your answer is fertilization.
There are about 16 cells present after 80mins.
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For example, addition of an orange chromic acid reagent to some compounds causes the chromium reagent to change to a blue-green color (Figure 6.37a). This is considered a "positive" test result, and in this case indicates the presence of a functional group that can be oxidized (alcohol or aldehyde).