Ch 10.3-10.4 Viruses

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Across
  1. 6. A virus that parasitizes a bacterial cell.
  2. 10. A protein substance or substances produced by cells exposed to viruses; acts to slow the spread of a virus.
  3. 11. An abnormal form of protein found in some cells and linked to disease.
  4. 12. A submicroscopic, noncellular particle, composed of a nucleic acid core and a protein coat called the capsid; an obligate parasite.
Down
  1. 1. A viral illness that originated in animals but has been transferred and spread by humans (2 words).
  2. 2. The process in which a virus remains latent in cells but spreads by becoming part of the host cell genome (2 words).
  3. 3. A method of exposing a person to a controlled amount of a disease-causing factor to develop an immunity.
  4. 4. A membrane-like structure that forms an outer covering on some kinds of viruses.
  5. 5. The sequence of events whereby a virus replicates within a cell and eventually destroys the cell (2 words).
  6. 7. A special type of RNA virus that contains the enzyme reverse transcriptase.
  7. 8. A short, single strand of circular RNA that has no capsid or envelope yet is still able to replicate once inside a host.
  8. 9. The outer covering of a virus; made from protein.