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Home Q & A Board Biology-Related Homework Help Anatomy and Physiology
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dolby dolby
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8 years ago
When a hormone is present in excessive levels, the number of target-cell receptors may decrease. This is called:
A)   Receptor recognition
B)   Circulating hormone
C)   Paracrine
D)   Up regulation
E)   Down regulation
Textbook 
Anatomy and Physiology: From Science to Life

Anatomy and Physiology: From Science to Life


Edition: 2nd
Authors:
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randis_oddyrandis_oddy
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dolby Author
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8 years ago
This works! Thanks for taking the time to post the answer.
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