Multiple Choice
Which of the following best describes the role of local regulators in cell signaling?
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10. Cell Signaling
Introduction to Cell Signaling
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The only special sense not fully functional at birth is the sense of ________.
A
taste
B
vision
C
hearing
D
smell
Verified step by step guidance1
Understand the question: The problem is asking which special sense is not fully functional at birth. The options provided are taste, vision, hearing, and smell.
Recall the concept: Special senses include vision, hearing, taste, smell, and balance. At birth, most of these senses are functional to some degree, but one of them is not fully developed.
Analyze the options: Taste and smell are functional at birth, as newborns can recognize their mother's scent and respond to different tastes. Hearing is also functional, as newborns can respond to sounds.
Focus on vision: Vision is the least developed sense at birth. Newborns have limited visual acuity and can only see objects clearly at a short distance. Their ability to focus and perceive details improves over the first few months of life.
Conclude: Based on the analysis, the correct answer is 'vision,' as it is the only special sense not fully functional at birth.
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