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viruses 7.1
viruses
| Question | Answer |
|---|---|
| How are viruses like organisms? | They can multiply. |
| What is the structure of a virus? | have 2 basic parts: protein coat(protects virus), and inner core(made of genetic material) |
| How do viruses multiply? | attach to host cell; enter cell; genetic material takes over cell function; instructs cell to produce virus proteins and genetic material; assemble into new viruses some immediately others wait. |
| How can you treat a viral disease? | rest, fluids, eat balanced diet. |
| virus | tiny nonliving particle that invades then multiplies inside a living cell. |
| host | living thing that provides energy for a virus or organism. |
| parasite | organisms that live on or in a host and cause it harm. |
| bacteriophage | virus that infects bacteria. |
| vaccine | a substance introduced into the body to stimulate the production of chemicals that destroy specific disease causing viruses and organisms. |