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| lacks a nucleuss, membrane-bound organelles, and chromosomes |
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| cell wall is stained purple |
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| outer membrane doesn't hold the stain -> appears red |
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| organisms that make their own food |
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| uses solar energy to make their own food through photosynthesis |
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| uses inorganic compoumds to make their own food through chemosynthesis |
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| organism that can't make its own food obtains energy by feeding on other organisms and organic waste |
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| Binary Fission (a sexual) |
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| after a bacteria cells has grown to double its size -> replicates DNA then splits in 2 |
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| bridge forms betweem 2 bacterial cells and DNA is exchanged |
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| organisms that return nutrients to the environment by breaking down organic matter -> used in sewage treatment |
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| 1. Breaks down cells for food 2. Releases toxins |
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| Heating a liquid to a high temperatures -> kills bacteria |
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| bacteria become resistant to antibiotic |
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| noncellular particle made up of genetic material and protein that can invade living cells |
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| injected with deadly or weakended form of bacteria -> creates immunity |
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-virus attaches to the host cell
-virus injects its DNA into the host cell
-host cell synthesizes viral proteins and nucleic acids
-viral proteins and nucleic acids assmeble
infected cell lyses (bursts) and releases hundreds of new viruses that may now infect other cells
-newly formed viruses attach to another host cell and infect again.... |
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