This illustration depicts a number of smallpox viruses,one of the most complex type of animal viruses known. The structure of the smallpox virus contains one strand of double-stranded DNA contained in a rounded bioconcave brick-like core (purple). This core is surrounded by several layers of host cell membranes (aqua),which in turn is surrounded by an outer protein coat (yellow) | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Dowdalls, Jim |
Taille de l’image : | 3129 px × 4425 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : |
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