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How does the lock-and-key mechanism relate to hormones? A. If a hormone fits the receptor site, then there is no reaction. If a hormone and a receptor site do not match, then there will be an
effect. B. If a hormone fits the receptor site, then there will be an effect. If a hormone and a receptor site do not match, then there is no reaction C. No effect will occur regardless of whether the hormone does or does not fit the receptor site D. None of the above
B. If a hormone fits the receptor site, then there will be an effect. If a hormone and a receptor site do not match, then there is no reaction.
Expert answered|debnjerry|Points 30026|
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Asked 4/20/2012 3:01:25 PM
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Updated 4/8/2013 6:07:23 AM
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Posture, such as sitting and standing, is maintained as a result of muscle contraction. (B)

Added 4/8/2013 6:07:23 AM
This answer has been confirmed as correct, not copied, and helpful.
Confirmed by Janet17 [6/7/2014 1:37:21 PM]
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The muscles located in the leg that move the ankle and foot are divided into ________. A. Anterior, posterior, and lateral compartments B. Oblique, lateral, and posterior compartments C. Horizontal, vertical, and diagonal compartments D. None of the above
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the correct answer is A. Anterior, posterior, and lateral compartments

The muscles located in the leg that move the ankle and foot are divided into anterior, posterior, and lateral compartments.
Added 8/3/2012 12:55:56 AM
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Rated good by rohan1, Confirmed by Janet17 [6/7/2014 1:57:00 PM]
The primary function of the skeletal muscle is CONTRACTION, in order to move the skeleton.
Added 6/7/2014 1:58:57 PM
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