Textbook Question
Summarize the experimental evidence in sponges showing that animal cells adhere to each other selectively. Explain the molecular basis of selective adhesion.
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10. Cell Signaling
Classes of Signaling Receptors
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Which class of signaling receptor is primarily responsible for detecting changes in temperature in animals?
A
Thermoreceptors
B
Photoreceptors
C
Mechanoreceptors
D
Chemoreceptors
Verified step by step guidance1
Understand the question: The problem is asking about the class of signaling receptors responsible for detecting changes in temperature in animals. This requires knowledge of sensory biology and receptor types.
Review the receptor types: Thermoreceptors detect temperature changes, photoreceptors detect light, mechanoreceptors detect mechanical stimuli (like pressure or vibration), and chemoreceptors detect chemical stimuli (like taste or smell).
Focus on the key term 'temperature': Since the question specifically mentions temperature, identify which receptor type is associated with this function. Recall that thermoreceptors are specialized for detecting heat or cold.
Eliminate incorrect options: Photoreceptors, mechanoreceptors, and chemoreceptors are not involved in temperature detection. They are specialized for other sensory modalities.
Conclude the correct answer: Based on the information, thermoreceptors are the class of signaling receptors responsible for detecting changes in temperature in animals.
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