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Home Q & A Board Biology-Related Homework Help Biochemistry
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ppk ppk
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12 years ago
"Too much of a good thing can hurt you." "It's all good." We've all heard phrases like this, and know that they contain some truth. For example, both life essentials water and sunshine can harm us. Not enough cholesterol in the body is worse than too much. What otherwise poisonous gas has recently been shown to be a signal molecule? What does it do in the body?
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#1
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12 years ago
Carbon monoxide is one of the gaseous signal molecules. It activates guanylyl cyclase and cGMP in smooth muscle and neural tissue.
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#2
12 years ago
Yeah carbon monoxide is right as well.
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#3
12 years ago
NO is otherwise a poisonous gas but is a signal molecule in the body with the main  function in muscle contraction and blood vessel dilation.
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#4
Valued Member
12 years ago
it's CO and NO.
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#5
12 years ago
Yes, CO and NO are correct.
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