1 Viruses. 2 Are Viruses Living or Non-living? Viruses are non living They have some properties of life but not others They cant maintain a constant internal.
capsid DNA tail sheath tail fiber All Have: – 1) Capsid: coat of protein that surrounds nucleic acid – 2) Nucleic Acid: RNA or DNA Some Have: – Tail.
Pages 476 - 495. Non-living particles that can’t reproduce nucleic acids (DNA or RNA) enclosed in a protein coat Smaller than the smallest bacterium.
Viruses Virus- an infectious agent made up of a core of nucleic acid and a protein coat.
Very small Non-living particle Made up of nucleic acid and proteins Can only reproduce by infecting living cells Do not carry out respiration,
Acquired Immunodeficiency Syndrome Chapter 44. HIV and AIDS HIV infection usually leads to Immunosuppression Subsequent susceptibility to opportunistic.
