LAGUNA DESIGN / SCIENCE PHOTO LIBRARY LAGUNA DESIGN / SCIENCE PHOTO LIBRARY
HIV reverse transcription enzyme. Molecular model of the reverse transcriptase enzyme (blue and purple) found in HIV (the human immunodeficiency virus) complexed with a molecule of DNA (deoxyribonucleic acid, green and orange). Reverse transcriptase transcribes the single-stranded RNA (ribonucleic acid) genome of HIV into DNA that is capable of integrating with DNA in a human cell.
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