Term
|
Definition
a nonliving particle which is a strand of hereditary material surrounded by a protein
coating |
|
|
Term
|
Definition
| a living cell in which a virus can attach to. |
|
|
Term
|
Definition
| a virus is active when it is able to multiple within and destroy the host cell |
|
|
Term
|
Definition
after the virus enters a host cell its hereditary material can become part of the
cell’s hereditary material, but does not immediately makes new viruses and destroys the cell. It can
be copies when the host cell reproduces. Could be years before something triggers it to become
active. Ex. cold sore, chicken pox |
|
|
Term
| Describe how a viral infection functions in an organism |
|
Definition
the virus has to attach to a specific host
cell where they fit together perfectly. Most viruses attack only one kind of host cell. |
|
|
Term
|
Definition
viruses that infect bacteria. They attach to bacteria and inject their
hereditary material. |
|
|
Term
|
Definition
| made from the weakened form of the virus. |
|
|
Term
| Edward Jenner - when and what did he do? |
|
Definition
In 1796 developed the first smallpox vaccine from
the sores of people with cowpox. |
|
|
Term
|
Definition
- proteins that are produced rapidly by virus-infected cells and move into noninfected
cells in the host. They cause the noninfected cells to produce protective substances. |
|
|
Term
|
Definition
| helps fight viruses, but rarely used because of bad sideeffects. |
|
|
Term
| list 4 ways to prevent viruses |
|
Definition
vaccinations, improving sanitary conditions,
quarantining patients and controlling animals. |
|
|
Term
| list and describe 2 positive uses for viruses |
|
Definition
a. gene transfer - substitutes normal hereditary material for defective.
b. gene therapy - to help people with genetic disorders or cancer |
|
|
