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The sulfur group in cysteine arises from the same source in plants, animals and bacteria. :

mahi

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The sulfur group in cysteine arises from the same source in plants, animals and bacteria. :

The sulfur group in cysteine arises from the same source in plants, animals and bacteria.
A) True
B) False

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ericpie13

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mahi Author

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this is exactly what I needed

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