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9 Cards in this Set
- Front
- Back
Why are viruses considered to be nonliving?
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Don't have cells
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What is an active virus?
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a virus that goes right into action and takes over cells to produce new viruses
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List the steps of how an active virus multiplies
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1. Attach
2. Injects genetic material 3. Take over cell and make copies 4. Cells die and burst |
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What is a hidden virus?
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hides in cell's genetic material
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What are the 3 shapes of bacteria cells? Draw a picture of each shape and label them.
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1. Cocci (circle)
2. Bacilli (rod) 3. Spirilla (spiral) |
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How are many bacterial diseases treated and cured?
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antibiotics (some vaccines)
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Why won't antibiotics work on viruses?
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viruses are not alive and antibiotics only work on living things
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What is a vaccine?
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weakened virus/backteria that can make your body immune to the real virus/bacteria
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Why can't you take antibiotics to cure the flu?
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The flu is a virus and is not alive.
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