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25 Cards in this Set
- Front
- Back
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virus |
not alive |
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bacteria |
alive |
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active virus |
enters a host and takes over cell function |
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hidden virus |
injects genetic material into bacterium and BECOMES part of the bacterium |
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flagellum |
whip like structure; helps an organism move |
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Archaebacteria |
ancient bacteria; live in extreme environments |
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Eubacteria |
millions live on our bodies; do not survive in extreme environments |
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Binary Fission |
asexual reproduction; one parent; cell divides into two new cells; new organisms are identical to parent |
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Conjugation |
sexual reproduction; two parents; inject genetic material into one another; offspring is new organism that is different from parent cells |
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Endospores |
Resting cell that forms within a bacteria; resits heat, cold and drying. Allows a bacteria to survive and reemerge when conditions are right. |
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Antibiotic |
Chemical that kills bacteria without harming a person's cells. Used for bacterial infections. |
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Vaccine |
Substance made from dead or altered virus or bacteria. Helps the body create defenses to prevent disease caused by those viruses/bacteria. |
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Infectious Disease |
Illness passed from one organism to another |
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Autotrophs |
make their own food |
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Heterotrophs |
consume (eat) other organisms |
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respiration |
breaking down food to release energy |
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"decomposers" |
Bacteria that live in soil and break down large chemicals into small chemicals |
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What shapes are bacteria? |
1. Spiral 2. Spherical (round) 3. Rod-shaped |
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What shapes are viruses? |
1. Bullet-shaped 2. Brick 3. Thread-like 4. Spherical (round) 5. Rod-shaped |
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What does a virus's protein coat (outer core) do? |
1. Helps the virus attach to the host 2. Protects the virus |
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What is inside the inner core of a virus? |
Genetic material |
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What do Ribosomes in a bacterium do? |
Make protein |
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What is the purpose of Genetic Material in bacterium? |
Contains instructions for the cell functions |
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Why are bacteria considered prokaryotes? |
Genetic material is NOT in a nucleus |
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How are viruses are named? |
1. Scientists who discovered them 2. Location where they are found 3. Organism they infect 4. Disease they cause |
