How do viruses and toxins enter the cell?
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Viruses enter the cell, which is covered by a phospholipid bilayer and acts as a cells natural barrier to its surrounding. The process by which this barrier is crossed depends upon the type of virus. There are 4 types of viral entry into the cell:
1.Attachment or Viral Adsorption : The viral receptors attached to the complementary receptors on the cell membrane.
2.Membrane Fusion : The cell membrane is punctured and later attached with the unfolding viral envelope.
3.Entry via Pore formation: An opening is established for the entry of viral particles.
4.Viral Penetration : The viral capsid or genome is injected into the host cells cytoplasm directly.
1.Attachment or Viral Adsorption : The viral receptors attached to the complementary receptors on the cell membrane.
2.Membrane Fusion : The cell membrane is punctured and later attached with the unfolding viral envelope.
3.Entry via Pore formation: An opening is established for the entry of viral particles.
4.Viral Penetration : The viral capsid or genome is injected into the host cells cytoplasm directly.
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