Viruses

• 𝙑𝙄𝙍𝘼𝙇 𝙍𝙀𝙋𝙇𝙄𝘾𝘼𝙏𝙄𝙊𝙉:

  1. the virus uses its attachment proteins to bind to the complementary receptor proteins on the surface of the host cell
  2. the virus injects its nucleic acid (DNA/RNA) into the cell
  3. the host's protein-building machinery (ribosomes) uses the viral nucleic acid to produce new viral particles
  4. the host cell eventually bursts and releases the viral particles
• Describe viral replication.

  1. The virus binds to receptors on a host cell via attachment proteins;
  2. It injects its genetic material into the host cell
  3. The cell's protein-building machinery replicates the viral nucleic acids
• How do viruses infect cells?

  Viruses infect cells by attaching to specific receptors on the cell’s surface. The virus then enters the cell and releases its genetic material, which takes control of the host cell’s metabolic processes and forces the cell to produce more virus particles.
• How do viruses cause diseases?

  Viruses cause diseases by infecting host cells and taking control of the cell’s metabolic processes to produce more virus particles. This process can lead to the destruction of the host cell, which can cause symptoms such as fever, fatigue, and muscle aches.
• What is a virus?

  A virus is a tiny infectious agent that cannot reproduce on its own and requires a host cell to replicate and spread.