Multiple Choice
What is the immediate effect when three acetylcholine (ACh) molecules bind to their receptor sites on a ligand-gated ion channel at the neuromuscular junction?
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10. Cell Signaling
Introduction to Cell Signaling
Multiple Choice
Which structure on the tongue contains the sensory cells responsible for detecting taste stimuli?
A
Papillae
B
Lingual tonsils
C
Salivary glands
D
Taste buds
Verified step by step guidance1
Understand the anatomy of the tongue: The tongue contains several structures, including papillae, lingual tonsils, salivary glands, and taste buds. Each of these structures has a specific function.
Clarify the role of papillae: Papillae are small, raised structures on the surface of the tongue. They provide texture and house the taste buds, which are responsible for detecting taste stimuli.
Explain the function of taste buds: Taste buds are clusters of sensory cells located within the papillae. These sensory cells detect chemical stimuli from food and beverages, allowing us to perceive different tastes such as sweet, sour, salty, bitter, and umami.
Differentiate from other structures: Lingual tonsils are part of the immune system and help protect against pathogens, while salivary glands produce saliva to aid in digestion and lubrication. Neither of these structures is directly involved in taste detection.
Conclude that taste buds, located within the papillae, are the sensory structures responsible for detecting taste stimuli.
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