Multiple Choice
Which hormone surges to trigger ovulation?
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16. The Endocrine System
Introduction to the Endocrine System
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What occurs when hormones reach their target cells in the endocrine system?
A
They are immediately broken down and excreted by the kidneys.
B
They are converted into neurotransmitters.
C
They bind to specific receptors and initiate a cellular response.
D
They cause the target cells to undergo mitosis.
Verified step by step guidance1
Understand that hormones are chemical messengers produced by endocrine glands and released into the bloodstream.
Recognize that each hormone has specific target cells, which possess receptors that are uniquely shaped to bind with that hormone.
When a hormone reaches its target cell, it binds to these specific receptors, much like a key fits into a lock.
This binding triggers a series of cellular events, often involving a signal transduction pathway, which leads to a specific cellular response.
The cellular response can vary depending on the hormone and the target cell, such as altering gene expression, modifying enzyme activity, or changing cell permeability.
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