Science finals
Terms
undefined, object
copy deck
- A virus ______ reproduce without a cell host
- cant
- what causes cold sores
- latent viruses, never goes away, appear whenever
- ___________ is a group of diseases caused by RNA virus called HIV
- AIDS
- _________________ is a process in which bacteria are killed by heating food to a high temperature
- pasteurization
- Hugging and kissing are ways ________ is not spread
- HIV
- what makes AIDS a difficult disease to cure
- there is no vaccine, the immune system is disabled, many die from it, the immune system cant be tricked because its defensless
- ____________ is made from damaged particles that can't cause disease anymore
- vaccines
- _______________ a disturbed area gradually returns to its previous condition
- Secondary succession
- the drug ___________ seems to slow down the aids infection
- AZT
- contaminated syringes, sexual contact, body fluids, pregnant female passing it on to her child are ways to what ?
- Ways HIV is spread
- 3 medicines that can prolong life for people with HIV
- AZT, ddI, ddC
- Steps of a virus reproducing
- 1. attach- the virus attaches to the cell, 2. invade- the virus enters the cell, 3. copy- the virus is copies itself and makes more viruses, 4. release- the virus releases harmful things into your body
- The first vaccine was developed in 1796 by __________________ an English doctor
- Edward Jenner
- Genetic material in viruses include______________
- RNA, DNA
- a ___________ is anything that depends on an organism or cell to survive and may harm the thing on ehich it depends
- parasite
- ___________ is a protein produced in vertabrate cells that stops viruses from infecting other cells in thar animal. It interferes with the production of viruses
- Interferon
- HIV attacks the body's _____________ system
- immune
- _______________ is the development of new communities in newly created land areas
- primary succession
- What does AIDS stands for
- Acquire immune deficiency syndrome
- _________________ are microscopic particles made up of either a DNA or RNA core coverd by a protein coat
- viruses
- all viruses contain either ____________ or _________ which is surrounded by a protein coat
- DNA, RNA
- Many drug users get HIV by
- using contaminated needles