cytosine

cytosine is a topic covered in the Taber's Medical Dictionary.

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C4H5N3O; a pyrimidine base that is part of DNA and RNA. In DNA it is paired with guanine.

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(sī′tō-sĭn)

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C4H5N3O; a pyrimidine base that is part of DNA and RNA. In DNA it is paired with guanine.

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