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XSIQ
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Biology - Viruses
Viruses
Viruses vary in shape and are extremely small. They are only visible
under an electron microscope.
Viruses are not cells and are not considered living things because they:
* have no cell membrane (instead they have a protein coat)
* cannot reproduce themselves without the assistance of a host cell.
Pox virus
This is the name that will appear on your Certification
Introduce tu correo electronico. Te enviaremos un email con las instrucciones para restablecer tu contraseña.