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Figure 3


Fig. 3. Effects of vinegar and CO2 backgrounds on walking activity of male and female flies. Percentage of time walking is indicated for males and females when all four fields contain air only (Air), apple cider vinegar (Vin.) or 0.1% CO2. For females, Nair=30; Nvinegar=22; NCO2=21; for males, Nair=27; Nvinegar=20; NCO2=20. *Significant difference compared to air (Mann-Whitney U-test, P<0.01 for vinegar, P<0.05 for CO2); ns, no significant difference. Values are means ± s.e.m.