A-LevelBiologyControl and coordinationMay/June 2024Paper 4 Q106 Marks
Humans detect the sweet taste of sucrose sugar using chemoreceptor cells in taste buds on the tongue. The red admiral butterfly, Vanessa atalanta, detects sucrose using chemoreceptor cells located on its antennae and on its tarsi (feet). The mode of action of the chemoreceptors in V. atalanta is similar to that in humans. Fig. 10.1 shows the locations of the chemoreceptor cells on V. atalanta. [Figure 10.1]
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