Experiments with Genetically Altered Mice Showed That the Mice Would

question 17

Multiple Choice

Experiments with genetically altered mice showed that the mice would consume abnormally high amounts of bitter-tasting compounds in water after their ________.

• A) hormone receptors for digestive hormones were reduced or eliminated, showing that bitter tastes are reinforced by digestive responses
• B) salt-taste cells were altered to express receptors for bitter tastants, suggesting that animals have unregulated salt appetites
• C) visual sense was reduced or eliminated, suggesting that mice learn visual cues about bitter tastes
• D) sweet-taste cells were altered to express receptors for bitter tastants, suggesting that the sensation of taste depends only on which taste cell is stimulated