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Home Q & A Board Science-Related Homework Help High School Level Science
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nzrodrigue nzrodrigue
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12 years ago
One hormone can have several different effects. For example, epinephrine can cause the release of glucose from liver calls, dilate blood vessels to skeletal muscles, and constrict interstinal blood vessels. All these effects prepare the body for "fight or flight." Explain how these multiple effects are possible
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#1
12 years ago
Hormones set off different chains of reactions as they interact with different parts of the body. This is possible due to the fact that different parts of the body (organs, cells etc...) haven different DNA that is only expressed in certain cells or organs, allowing hormones to have different effects on different cells or organs.
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#2
12 years ago
Snuk is not totally correct. Our somatic cells all have the same DNA with very few exception. Mitosis creates identical daughter cells. An intestinal cell has the same DNA has a respiratory cell.

Certain cells respond differently to the same hormone because they contain different receptors which modulate different responses.
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